| 
                    Keith M. Kimmel
                 | 
                President of Property Operatio | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                17 Mar 2024 | 
                21,096 | 
                
                    
                        72,964
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith M. Kimmel
                 | 
                President of Property Operatio | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                17 Mar 2024 | 
                7,872 | 
                
                    
                        51,868
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas Bohjalian N.
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 31.00 per share.  | 
                23 Feb 2024 | 
                750 | 
                
                    
                        20,750
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                31 | 
                
                    
                        23,250
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    N. Thomas Bohjalian
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 31.50 per share.  | 
                14 Feb 2024 | 
                889 | 
                
                    
                        20,000
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                31.5 | 
                
                    
                        28,004
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        12,111
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Keltner L. Thomas
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        60,118
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Finney-Cooke R. Kristin
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        12,111
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Dinha John Rayis
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                5,051 | 
                
                    
                        12,301
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Hernandez Margarita Palau
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        7,861
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Sperling Ann
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        12,111
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    N. Bohjalian Thomas
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        19,111
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    I. Murphy Devin
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                4,861 | 
                
                    
                        12,111
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2024 | 
                311,019 | 
                
                    
                        1,311,065
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP II Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    M. Kimmel Keith
                 | 
                President of Property Operatio | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Jan 2024 | 
                9,651 | 
                
                    
                        43,996
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    R. Lisa Cohn
                 | 
                President & General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Jan 2024 | 
                13,511 | 
                
                    
                        140,140
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    OGrady Matthew
                 | 
                Senior Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Jan 2024 | 
                3,861 | 
                
                    
                        26,982
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Minix Joshua
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Jan 2024 | 
                3,378 | 
                
                    
                        3,926
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin L.
                 | 
                EVP & CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Jan 2024 | 
                6,032 | 
                
                    
                        65,912
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Cohn Lisa R.
                 | 
                President & General Counsel | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                14 Dec 2023 | 
                3,100 | 
                
                    
                        126,629
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 34.00 per share.  | 
                22 Mar 2023 | 
                2,500 | 
                
                    
                        11,386
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                34 | 
                
                    
                        85,000
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 34.48 per share.  | 
                17 Mar 2023 | 
                1,000 | 
                
                    
                        9,412
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                34.5 | 
                
                    
                        34,480
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Sale of securities on an exchange or to another person at price $ 35.75 per share.  | 
                15 Mar 2023 | 
                8,000 | 
                
                    
                        34,345
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                35.7 | 
                
                    
                        285,990
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kristin R. Finney-Cooke
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        7,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        7,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        7,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Margarita Palau Hernandez
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        4,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Thomas N. Bohjalian
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        14,250
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        55,257
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        7,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2023 | 
                4,250 | 
                
                    
                        7,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                EVP & CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                2,845 | 
                
                    
                        56,577
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                8,925 | 
                
                    
                        42,345
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                9,018 | 
                
                    
                        117,234
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                12,495 | 
                
                    
                        129,729
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                14,808 | 
                
                    
                        14,808
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                EVP & CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                3,303 | 
                
                    
                        59,880
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                EVP & CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                6,227 | 
                
                    
                        27,496
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                416,241 | 
                
                    
                        1,000,046
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP II Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                7,686 | 
                
                    
                        33,420
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Matthew OGrady
                 | 
                Senior Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2023 | 
                3,570 | 
                
                    
                        23,121
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 39.50 per share.  | 
                22 Sep 2022 | 
                500 | 
                
                    
                        8,886
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                39.5 | 
                
                    
                        19,750
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Matthew OGrady
                 | 
                Senior Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 May 2022 | 
                6 | 
                
                    
                        19,551
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Matthew OGrady
                 | 
                Senior Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 May 2022 | 
                5 | 
                
                    
                        19,545
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 46.80 per share.  | 
                05 May 2022 | 
                1,000 | 
                
                    
                        8,412
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                46.8 | 
                
                    
                        46,802
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Joshua Minix
                 | 
                Executive Vice President | 
                 Purchase of securities on an exchange or from another person at price $ 45.54 per share.  | 
                05 May 2022 | 
                548 | 
                
                    
                        548
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                45.5 | 
                
                    
                        24,958
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Matthew OGrady
                 | 
                Senior Vice President | 
                 Purchase of securities on an exchange or from another person at price $ 46.04 per share.  | 
                05 May 2022 | 
                543 | 
                
                    
                        19,540
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                46.0 | 
                
                    
                        24,999
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Matthew OGrady
                 | 
                Senior Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Apr 2022 | 
                16,436 | 
                
                    
                        18,997
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                EVP & CFO | 
                 Sale of securities on an exchange or to another person at price $ 52.84 per share.  | 
                25 Mar 2022 | 
                14,500 | 
                
                    
                        53,732
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.8 | 
                
                    
                        766,190
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Sale of securities on an exchange or to another person at price $ 52.91 per share.  | 
                17 Mar 2022 | 
                11,000 | 
                
                    
                        25,734
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.9 | 
                
                    
                        581,990
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 52.45 per share.  | 
                11 Mar 2022 | 
                2,000 | 
                
                    
                        8,386
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.5 | 
                
                    
                        104,900
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 50.52 per share.  | 
                01 Mar 2022 | 
                500 | 
                
                    
                        7,412
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                50.5 | 
                
                    
                        25,261
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas N. Bohjalian
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 51.65 per share.  | 
                28 Feb 2022 | 
                2,000 | 
                
                    
                        10,000
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                51.7 | 
                
                    
                        103,300
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 51.44 per share.  | 
                18 Feb 2022 | 
                500 | 
                
                    
                        6,912
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                51.4 | 
                
                    
                        25,720
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 52.67 per share.  | 
                16 Feb 2022 | 
                758 | 
                
                    
                        13,558
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.7 | 
                
                    
                        39,925
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        3,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        3,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        51,007
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas N. Bohjalian
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        8,000
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Margarita Palau Hernandez
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        3,000
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        3,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        3,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Kristin R. Finney-Cooke
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                04 Feb 2022 | 
                3,000 | 
                
                    
                        3,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of Apartment Income REIT, L.P. | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                7,310 | 
                
                    
                        101,175
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Matthew OGrady
                 | 
                Senior Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                2,561 | 
                
                    
                        2,561
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                4,801 | 
                
                    
                        36,734
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                4,818 | 
                
                    
                        31,933
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                EVP & CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                2,459 | 
                
                    
                        65,863
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                EVP & CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                2,369 | 
                
                    
                        68,232
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 Feb 2022 | 
                7,041 | 
                
                    
                        108,216
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Sale of securities on an exchange or to another person at price $ 52.83 per share.  | 
                31 Jan 2022 | 
                1,653 | 
                
                    
                        93,865
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.8 | 
                
                    
                        87,336
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President & General Counsel | 
                 Sale of securities on an exchange or to another person at price $ 52.22 per share.  | 
                31 Jan 2022 | 
                14,347 | 
                
                    
                        95,518
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.2 | 
                
                    
                        749,239
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, CEO | 
                 Sale of securities on an exchange or to another person at price $ 53.38 per share.  | 
                27 Dec 2021 | 
                31,052 | 
                
                    
                        137,693
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                53.4 | 
                
                    
                        1,657,509
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, CEO | 
                 Sale of securities on an exchange or to another person at price $ 53.74 per share.  | 
                27 Dec 2021 | 
                68,116 | 
                
                    
                        69,577
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                53.7 | 
                
                    
                        3,660,785
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 49.52 per share.  | 
                16 Jun 2021 | 
                1,422 | 
                
                    
                        63,404
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.5 | 
                
                    
                        70,413
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 50.01 per share.  | 
                14 Jun 2021 | 
                6,902 | 
                
                    
                        69,136
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                50.0 | 
                
                    
                        345,152
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 50.03 per share.  | 
                14 Jun 2021 | 
                4,310 | 
                
                    
                        64,826
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                50.0 | 
                
                    
                        215,608
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Sale of securities on an exchange or to another person at price $ 45.31 per share.  | 
                18 May 2021 | 
                2,435 | 
                
                    
                        47,608
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                45.3 | 
                
                    
                        110,330
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Sale of securities on an exchange or to another person at price $ 44.02 per share.  | 
                18 May 2021 | 
                7,565 | 
                
                    
                        40,043
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.0 | 
                
                    
                        333,013
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 44.85 per share.  | 
                16 Mar 2021 | 
                7,500 | 
                
                    
                        76,038
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.8 | 
                
                    
                        336,372
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Sale of securities on an exchange or to another person at price $ 41.88 per share.  | 
                08 Mar 2021 | 
                17,000 | 
                
                    
                        27,115
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                41.9 | 
                
                    
                        711,979
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        6,386
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President and General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                16,469 | 
                
                    
                        100,496
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                President and General Counsel | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                9,369 | 
                
                    
                        109,865
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        51,362
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        19,968
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                11,764 | 
                
                    
                        80,386
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                3,152 | 
                
                    
                        83,538
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        87,882
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chief Executive Officer | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                47,323 | 
                
                    
                        82,014
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of AIMCO Properties, L.P. | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chief Executive Officer | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                238,442 | 
                
                    
                        413,231
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP II Units of AIMCO Properties, L.P. | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        48,007
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        50,043
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                6,388 | 
                
                    
                        44,115
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                President, Property Operations | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                11,371 | 
                
                    
                        37,727
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        12,800
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                4,000 | 
                
                    
                        6,412
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Conor Wagner
                 | 
                SVP & Chief Investment Officer | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                7,665 | 
                
                    
                        8,730
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Conor Wagner
                 | 
                SVP & Chief Investment Officer | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                25 Jan 2021 | 
                1,065 | 
                
                    
                        1,065
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Purchase of securities on an exchange or from another person at price $ 36.63 per share.  | 
                29 May 2020 | 
                27 | 
                
                    
                        2,427
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                36.6 | 
                
                    
                        989
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Devin I. Murphy
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Apr 2020 | 
                2,400 | 
                
                    
                        2,400
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John D. Rayis
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Apr 2020 | 
                2,400 | 
                
                    
                        2,400
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Sale of securities on an exchange or to another person at price $ 30.00 per share.  | 
                25 Mar 2020 | 
                3,000 | 
                
                    
                        45,129
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                30 | 
                
                    
                        90,000
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 21.67 per share.  | 
                04 Mar 2020 | 
                3,000 | 
                
                    
                        48,129
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                21.7 | 
                
                    
                        65,010
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                04 Mar 2020 | 
                3,000 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 50.61 per share.  | 
                04 Mar 2020 | 
                25,429 | 
                
                    
                        58,612
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                50.6 | 
                
                    
                        1,286,878
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 55.47 per share.  | 
                21 Feb 2020 | 
                15,000 | 
                
                    
                        26,472
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                55.5 | 
                
                    
                        832,080
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 54.77 per share.  | 
                20 Feb 2020 | 
                10,000 | 
                
                    
                        84,357
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                54.8 | 
                
                    
                        547,655
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 53.40 per share.  | 
                07 Feb 2020 | 
                9,000 | 
                
                    
                        69,776
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                53.4 | 
                
                    
                        480,600
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 52.90 per share.  | 
                30 Jan 2020 | 
                3,656 | 
                
                    
                        94,357
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                52.9 | 
                
                    
                        193,410
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 53.22 per share.  | 
                30 Jan 2020 | 
                1,048 | 
                
                    
                        98,013
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                53.2 | 
                
                    
                        55,773
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                272 | 
                
                    
                        30,595
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                1,067 | 
                
                    
                        31,662
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                265 | 
                
                    
                        29,655
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,200 | 
                
                    
                        47,622
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                22 | 
                
                    
                        44,422
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                2,078 | 
                
                    
                        40,316
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,803 | 
                
                    
                        44,119
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,200 | 
                
                    
                        16,056
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                6 | 
                
                    
                        12,856
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                7,329 | 
                
                    
                        76,471
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                2,305 | 
                
                    
                        78,776
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                45 | 
                
                    
                        69,097
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                39 | 
                
                    
                        81,142
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,200 | 
                
                    
                        84,342
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                32,755 | 
                
                    
                        32,755
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of AIMCO Properties, L.P. | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,200 | 
                
                    
                        44,249
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                20 | 
                
                    
                        41,049
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,200 | 
                
                    
                        45,129
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                7,872 | 
                
                    
                        36,801
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                4,671 | 
                
                    
                        41,472
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                176 | 
                
                    
                        28,929
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Wesley William Powell
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,114 | 
                
                    
                        30,527
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Wesley William Powell
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                197 | 
                
                    
                        27,413
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                Director | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                219 | 
                
                    
                        5,819
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                Director | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                3,200 | 
                
                    
                        9,019
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lynn Stanfield
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                2,647 | 
                
                    
                        5,242
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of AIMCO Properties, L.P. | 
            
        
            
                
                | 
                    Lynn Stanfield
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                28 Jan 2020 | 
                9 | 
                
                    
                        19,350
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                27 Jan 2020 | 
                44 | 
                
                    
                        88,835
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2020 | 
                6,850 | 
                
                    
                        99,061
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2020 | 
                10,858 | 
                
                    
                        92,211
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 53.77 per share.  | 
                27 Jan 2020 | 
                7,482 | 
                
                    
                        81,353
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                53.8 | 
                
                    
                        402,273
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                16 Dec 2019 | 
                432 | 
                
                    
                        95,239
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                16 Dec 2019 | 
                236 | 
                
                    
                        95,003
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Other type of transaction at price $ 0.00 per share.  | 
                16 Aug 2019 | 
                2,553 | 
                
                    
                        44,329
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 50.16 per share.  | 
                16 Aug 2019 | 
                2,400 | 
                
                    
                        41,929
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                50.2 | 
                
                    
                        120,384
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                31 May 2019 | 
                1,423 | 
                
                    
                        36,610
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 49.43 per share.  | 
                31 May 2019 | 
                205 | 
                
                    
                        36,815
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.4 | 
                
                    
                        10,133
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 49.43 per share.  | 
                31 May 2019 | 
                518 | 
                
                    
                        84,041
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.4 | 
                
                    
                        25,605
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                31 May 2019 | 
                2,026 | 
                
                    
                        83,523
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Other type of transaction at price $ 0.00 per share.  | 
                22 Mar 2019 | 
                50 | 
                
                    
                        101,876
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 50.30 per share.  | 
                22 Mar 2019 | 
                6,205 | 
                
                    
                        95,671
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                50.3 | 
                
                    
                        312,112
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 51.04 per share.  | 
                22 Mar 2019 | 
                32,675 | 
                
                    
                        1,323
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                51.0 | 
                
                    
                        1,667,618
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                22 Mar 2019 | 
                32,675 | 
                
                    
                        180,879
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 51.22 per share.  | 
                22 Mar 2019 | 
                37,325 | 
                
                    
                        213,554
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                51.2 | 
                
                    
                        1,911,753
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Other type of transaction at price $ 0.00 per share.  | 
                22 Mar 2019 | 
                2,514 | 
                
                    
                        280,879
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 51.17 per share.  | 
                22 Mar 2019 | 
                30,000 | 
                
                    
                        250,879
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                51.2 | 
                
                    
                        1,534,956
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 49.64 per share.  | 
                07 Mar 2019 | 
                20,272 | 
                
                    
                        35,187
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.6 | 
                
                    
                        1,006,379
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 49.50 per share.  | 
                19 Feb 2019 | 
                9,500 | 
                
                    
                        48,984
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.5 | 
                
                    
                        470,251
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 49.55 per share.  | 
                19 Feb 2019 | 
                25,000 | 
                
                    
                        28,753
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.6 | 
                
                    
                        1,238,750
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 48.87 per share.  | 
                12 Feb 2019 | 
                9,695 | 
                
                    
                        88,791
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                48.9 | 
                
                    
                        473,785
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                11 Feb 2019 | 
                66,305 | 
                
                    
                        312,060
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                11 Feb 2019 | 
                33,695 | 
                
                    
                        33,695
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                11 Feb 2019 | 
                33,695 | 
                
                    
                        278,365
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 49.28 per share.  | 
                11 Feb 2019 | 
                100,000 | 
                
                    
                        378,365
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.3 | 
                
                    
                        4,928,170
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 49.10 per share.  | 
                31 Jan 2019 | 
                942 | 
                
                    
                        105,133
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.1 | 
                
                    
                        46,252
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 49.45 per share.  | 
                31 Jan 2019 | 
                6,647 | 
                
                    
                        98,486
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.4 | 
                
                    
                        328,685
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        30,323
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                7,611 | 
                
                    
                        106,075
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                26,589 | 
                
                    
                        98,464
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        44,400
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                2,660 | 
                
                    
                        55,459
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                5,713 | 
                
                    
                        52,799
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                7,534 | 
                
                    
                        47,086
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        12,850
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                2,560 | 
                
                    
                        69,097
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                16,485 | 
                
                    
                        66,537
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                18,109 | 
                
                    
                        18,109
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        81,103
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                384,809 | 
                
                    
                        384,809
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                101,702 | 
                
                    
                        478,365
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        41,029
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        46,882
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                14,588 | 
                
                    
                        14,588
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                21,848 | 
                
                    
                        48,737
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                5,016 | 
                
                    
                        53,753
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                14,085 | 
                
                    
                        14,085
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                8,686 | 
                
                    
                        81,497
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                6,205 | 
                
                    
                        72,811
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Wesley William Powell
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                2,768 | 
                
                    
                        27,216
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                3,200 | 
                
                    
                        5,600
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lynn Stanfield
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2019 | 
                2,595 | 
                
                    
                        2,595
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                LTIP Units of AIMCO Properties, L.P. | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 49.14 per share.  | 
                28 Jan 2019 | 
                1,048 | 
                
                    
                        71,875
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                49.1 | 
                
                    
                        51,499
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 48.00 per share.  | 
                28 Jan 2019 | 
                831 | 
                
                    
                        72,923
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                48 | 
                
                    
                        39,888
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 8.92 per share.  | 
                02 Jan 2019 | 
                3,644 | 
                
                    
                        50,052
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                8.9 | 
                
                    
                        32,504
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                02 Jan 2019 | 
                3,644 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 46.67 per share.  | 
                17 Dec 2018 | 
                3,500 | 
                
                    
                        37,829
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                46.7 | 
                
                    
                        163,361
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                10 Dec 2018 | 
                4,026 | 
                
                    
                        66,606
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                04 Dec 2018 | 
                630 | 
                
                    
                        101,826
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 45.62 per share.  | 
                09 Nov 2018 | 
                5,000 | 
                
                    
                        73,754
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                45.6 | 
                
                    
                        228,123
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 43.21 per share.  | 
                08 Aug 2018 | 
                25,000 | 
                
                    
                        26,889
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                43.2 | 
                
                    
                        1,080,130
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 41.13 per share.  | 
                11 May 2018 | 
                100 | 
                
                    
                        43,682
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                41.1 | 
                
                    
                        4,113
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 41.12 per share.  | 
                11 May 2018 | 
                1,218 | 
                
                    
                        43,782
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                41.1 | 
                
                    
                        50,084
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ann Sperling
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                01 May 2018 | 
                2,400 | 
                
                    
                        2,400
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 38.82 per share.  | 
                12 Feb 2018 | 
                6,309 | 
                
                    
                        82,139
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                38.8 | 
                
                    
                        244,923
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 39.32 per share.  | 
                12 Feb 2018 | 
                3,385 | 
                
                    
                        78,754
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                39.3 | 
                
                    
                        133,099
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                3,200 | 
                
                    
                        27,123
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                8,380 | 
                
                    
                        88,448
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                29,024 | 
                
                    
                        80,068
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                3,200 | 
                
                    
                        41,200
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                13,475 | 
                
                    
                        39,552
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                886 | 
                
                    
                        26,077
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                3,200 | 
                
                    
                        9,650
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                5,986 | 
                
                    
                        46,408
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                3,200 | 
                
                    
                        77,903
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                172,325 | 
                
                    
                        376,663
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                3,200 | 
                
                    
                        41,329
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                3,200 | 
                
                    
                        45,000
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                5,786 | 
                
                    
                        51,889
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                17,622 | 
                
                    
                        46,103
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                5,587 | 
                
                    
                        70,632
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                14,512 | 
                
                    
                        65,045
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                9,675 | 
                
                    
                        50,533
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Wesley William Powell
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Jan 2018 | 
                2,594 | 
                
                    
                        24,448
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 41.90 per share.  | 
                29 Jan 2018 | 
                2,587 | 
                
                    
                        102,456
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                41.9 | 
                
                    
                        108,395
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 41.56 per share.  | 
                26 Jan 2018 | 
                2,027 | 
                
                    
                        51,044
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                41.6 | 
                
                    
                        84,237
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 42.38 per share.  | 
                26 Jan 2018 | 
                831 | 
                
                    
                        53,071
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                42.4 | 
                
                    
                        35,218
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                26 Dec 2017 | 
                32,000 | 
                
                    
                        33,695
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                26 Dec 2017 | 
                32,000 | 
                
                    
                        204,338
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                11 Dec 2017 | 
                5,638 | 
                
                    
                        38,129
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                04 Dec 2017 | 
                900 | 
                
                    
                        105,043
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.77 per share.  | 
                24 Nov 2017 | 
                7,564 | 
                
                    
                        40,858
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.8 | 
                
                    
                        338,640
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                24 Nov 2017 | 
                1,475 | 
                
                    
                        48,422
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 45.33 per share.  | 
                08 Nov 2017 | 
                1,170 | 
                
                    
                        41,800
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                45.3 | 
                
                    
                        53,039
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 28.33 per share.  | 
                08 Nov 2017 | 
                4,180 | 
                
                    
                        49,897
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                28.3 | 
                
                    
                        118,419
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                08 Nov 2017 | 
                4,180 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 44.01 per share.  | 
                31 Oct 2017 | 
                111,577 | 
                
                    
                        236,338
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.0 | 
                
                    
                        4,910,303
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 8.92 per share.  | 
                31 Oct 2017 | 
                202,429 | 
                
                    
                        388,972
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                8.9 | 
                
                    
                        1,805,667
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                31 Oct 2017 | 
                202,429 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Payment of exercise price or tax liability using portion of securities received from the company at price $ 43.98 per share.  | 
                31 Oct 2017 | 
                41,057 | 
                
                    
                        347,915
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.0 | 
                
                    
                        1,805,687
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 46.00 per share.  | 
                23 Aug 2017 | 
                10,000 | 
                
                    
                        28,481
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                46 | 
                
                    
                        460,000
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 43.59 per share.  | 
                01 May 2017 | 
                1,220 | 
                
                    
                        40,630
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                43.6 | 
                
                    
                        53,175
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.25 per share.  | 
                30 Mar 2017 | 
                7,085 | 
                
                    
                        45,717
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.2 | 
                
                    
                        313,511
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 37.30 per share.  | 
                17 Mar 2017 | 
                4,429 | 
                
                    
                        43,767
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                37.3 | 
                
                    
                        165,202
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                17 Mar 2017 | 
                4,429 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Charles Andrew Higdon
                 | 
                SVP - Chief Accounting Officer | 
                 Purchase of securities on an exchange or from another person at price $ 0.00 per share.  | 
                01 Mar 2017 | 
                400 | 
                
                    
                        780
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Cumulative Preferred Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                28 Feb 2017 | 
                1,085 | 
                
                    
                        53,902
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 46.72 per share.  | 
                28 Feb 2017 | 
                10,000 | 
                
                    
                        54,987
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                46.7 | 
                
                    
                        467,197
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 45.17 per share.  | 
                13 Feb 2017 | 
                2,438 | 
                
                    
                        64,987
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                45.2 | 
                
                    
                        110,115
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                7,535 | 
                
                    
                        67,425
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                886 | 
                
                    
                        25,012
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                3,203 | 
                
                    
                        24,126
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                3,000 | 
                
                    
                        6,450
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                5,651 | 
                
                    
                        40,422
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                3,000 | 
                
                    
                        74,703
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                3,000 | 
                
                    
                        39,338
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                31 Jan 2017 | 
                3,000 | 
                
                    
                        41,850
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                 | 
                
                    
                        0
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.64 per share.  | 
                27 Jan 2017 | 
                1,686 | 
                
                    
                        107,184
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.6 | 
                
                    
                        75,263
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.27 per share.  | 
                27 Jan 2017 | 
                1,241 | 
                
                    
                        105,943
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.3 | 
                
                    
                        54,939
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.56 per share.  | 
                26 Jan 2017 | 
                831 | 
                
                    
                        64,669
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.6 | 
                
                    
                        37,029
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.20 per share.  | 
                26 Jan 2017 | 
                2,752 | 
                
                    
                        59,890
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.2 | 
                
                    
                        121,652
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 44.23 per share.  | 
                26 Jan 2017 | 
                2,027 | 
                
                    
                        62,642
                    
                    
                        (0%)
                    
                 | 
                
                    
                        0%
                    
                 | 
                44.2 | 
                
                    
                        89,648
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                29 Dec 2016 | 
                5,127 | 
                
                    
                        208,054
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                29 Dec 2016 | 
                21,511 | 
                
                    
                        186,543
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                29 Dec 2016 | 
                5,127 | 
                
                    
                        33,695
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                   | 
                29 Dec 2016 | 
                1,000 | 
                
                    
                        187,543
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                29 Dec 2016 | 
                1,000 | 
                
                    
                        186,543
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                23 Dec 2016 | 
                1,904 | 
                
                    
                        47,527
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                13 Dec 2016 | 
                635 | 
                
                    
                        108,870
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                13 Dec 2016 | 
                5,732 | 
                
                    
                        49,431
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                07 Dec 2016 | 
                5,985 | 
                
                    
                        36,338
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Nov 2016 | 
                70 | 
                
                    
                        25,082
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                30 Nov 2016 | 
                109 | 
                
                    
                        25,191
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                18 Nov 2016 | 
                300 | 
                
                    
                        35,718
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                18 Nov 2016 | 
                2,700 | 
                
                    
                        33,018
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                15 Aug 2016 | 
                4,218 | 
                
                    
                        34,771
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                10 Aug 2016 | 
                8,102 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                10 Aug 2016 | 
                8,102 | 
                
                    
                        73,602
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                10 Aug 2016 | 
                8,102 | 
                
                    
                        65,500
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                05 Aug 2016 | 
                7,000 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                05 Aug 2016 | 
                7,000 | 
                
                    
                        116,505
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                05 Aug 2016 | 
                7,000 | 
                
                    
                        109,505
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                346,180 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                563,016 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                346,180 | 
                
                    
                        498,178
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                318,897 | 
                
                    
                        179,281
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                27,283 | 
                
                    
                        151,998
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                563,016 | 
                
                    
                        715,014
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                353,116 | 
                
                    
                        361,898
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                02 Aug 2016 | 
                148,717 | 
                
                    
                        213,181
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                29 Jun 2016 | 
                10,000 | 
                
                    
                        20,923
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 May 2016 | 
                81,101 | 
                
                    
                        151,998
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                27 May 2016 | 
                4,429 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                27 May 2016 | 
                4,429 | 
                
                    
                        76,132
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 May 2016 | 
                4,429 | 
                
                    
                        71,703
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 May 2016 | 
                5,772 | 
                
                    
                        55,163
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Other type of transaction at price $ 0.00 per share.  | 
                17 May 2016 | 
                22,223 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Other type of transaction at price $ 0.00 per share.  | 
                17 May 2016 | 
                22,223 | 
                
                    
                        42,323
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                10 May 2016 | 
                12,000 | 
                
                    
                        66,619
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                10 May 2016 | 
                1,119 | 
                
                    
                        65,500
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                10 May 2016 | 
                2,590 | 
                
                    
                        36,018
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Nina A. Tran
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Apr 2016 | 
                3,450 | 
                
                    
                        3,450
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 Mar 2016 | 
                12,587 | 
                
                    
                        29,100
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 Mar 2016 | 
                12,500 | 
                
                    
                        16,600
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                03 Mar 2016 | 
                950 | 
                
                    
                        38,608
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                12 Feb 2016 | 
                2,438 | 
                
                    
                        78,619
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                01 Feb 2016 | 
                2,308 | 
                
                    
                        81,057
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                29 Jan 2016 | 
                1,403 | 
                
                    
                        109,505
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2016 | 
                1,244 | 
                
                    
                        112,594
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2016 | 
                1,686 | 
                
                    
                        110,908
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                4,600 | 
                
                    
                        41,687
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                4,600 | 
                
                    
                        52,184
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                4,600 | 
                
                    
                        20,100
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                4,600 | 
                
                    
                        20,923
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                3,767 | 
                
                    
                        28,707
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                2,216 | 
                
                    
                        30,923
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                7,151 | 
                
                    
                        33,671
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                5,318 | 
                
                    
                        38,989
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                4,600 | 
                
                    
                        71,703
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                6,648 | 
                
                    
                        88,143
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                2,027 | 
                
                    
                        86,116
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                2,676 | 
                
                    
                        83,440
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                75 | 
                
                    
                        83,365
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                4,600 | 
                
                    
                        38,850
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                6,426 | 
                
                    
                        39,558
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2016 | 
                6,205 | 
                
                    
                        60,935
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                30 Dec 2015 | 
                8,432 | 
                
                    
                        233,099
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                30 Dec 2015 | 
                28,568 | 
                
                    
                        33,695
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                30 Dec 2015 | 
                28,568 | 
                
                    
                        241,531
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                30 Dec 2015 | 
                2,500 | 
                
                    
                        81,495
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                07 Dec 2015 | 
                540 | 
                
                    
                        113,838
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                10 Nov 2015 | 
                5,052 | 
                
                    
                        33,132
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                18 Aug 2015 | 
                10,000 | 
                
                    
                        83,995
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                17 Aug 2015 | 
                4,102 | 
                
                    
                        118,480
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                17 Aug 2015 | 
                4,102 | 
                
                    
                        114,378
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles J. Cortez
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                17 Aug 2015 | 
                4,102 | 
                
                    
                        7,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                13 Aug 2015 | 
                474,055 | 
                
                    
                        846,900
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                13 Aug 2015 | 
                474,055 | 
                
                    
                        368,585
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.  | 
                13 Aug 2015 | 
                339,055 | 
                
                    
                        507,845
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                13 Aug 2015 | 
                135,000 | 
                
                    
                        372,845
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                03 Aug 2015 | 
                12,300 | 
                
                    
                        93,995
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jun 2015 | 
                7,456 | 
                
                    
                        22,222
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                16 Jun 2015 | 
                2,028 | 
                
                    
                        106,295
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                12 Jun 2015 | 
                3,600 | 
                
                    
                        117,370
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                12 Jun 2015 | 
                3,382 | 
                
                    
                        113,988
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                23 Mar 2015 | 
                104,058 | 
                
                    
                        270,099
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                23 Mar 2015 | 
                8,400 | 
                
                    
                        270,099
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                43,083 | 
                
                    
                        374,157
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                238,530 | 
                
                    
                        238,530
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Employee Stock Option (right to buy) | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                1,685 | 
                
                    
                        24,940
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Patti K. Fielding
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                3,024 | 
                
                    
                        23,255
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                3,368 | 
                
                    
                        26,520
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                3,628 | 
                
                    
                        108,323
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                15,873 | 
                
                    
                        104,695
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                4,665 | 
                
                    
                        120,970
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                22,675 | 
                
                    
                        116,305
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                8,163 | 
                
                    
                        35,981
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                2,203 | 
                
                    
                        38,184
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                3,628 | 
                
                    
                        54,730
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                12 Feb 2015 | 
                6,047 | 
                
                    
                        51,102
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                02 Feb 2015 | 
                7,500 | 
                
                    
                        93,630
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2015 | 
                1,403 | 
                
                    
                        115,024
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2015 | 
                1,570 | 
                
                    
                        113,454
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2015 | 
                2,308 | 
                
                    
                        91,118
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2015 | 
                2,296 | 
                
                    
                        88,822
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                29 Jan 2015 | 
                5,000 | 
                
                    
                        101,130
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2015 | 
                1,242 | 
                
                    
                        118,113
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2015 | 
                1,686 | 
                
                    
                        116,427
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2015 | 
                2,027 | 
                
                    
                        96,177
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2015 | 
                2,751 | 
                
                    
                        93,426
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2015 | 
                4,500 | 
                
                    
                        37,087
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2015 | 
                4,500 | 
                
                    
                        47,584
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2015 | 
                4,500 | 
                
                    
                        15,500
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2015 | 
                4,500 | 
                
                    
                        16,323
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2015 | 
                4,500 | 
                
                    
                        67,103
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                26 Jan 2015 | 
                4,500 | 
                
                    
                        34,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                31 Dec 2014 | 
                1,163 | 
                
                    
                        119,355
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                30 Dec 2014 | 
                17,600 | 
                
                    
                        331,074
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                03 Dec 2014 | 
                705,622 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                03 Dec 2014 | 
                170,328 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                03 Dec 2014 | 
                875,950 | 
                
                    
                        1,216,230
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.  | 
                03 Dec 2014 | 
                685,454 | 
                
                    
                        530,776
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                03 Dec 2014 | 
                182,102 | 
                
                    
                        348,674
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                02 Dec 2014 | 
                7,130 | 
                
                    
                        29,678
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                26 Nov 2014 | 
                2,188 | 
                
                    
                        98,204
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                21 Nov 2014 | 
                1,573 | 
                
                    
                        23,152
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 Nov 2014 | 
                3,000 | 
                
                    
                        27,818
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                20 Aug 2014 | 
                1,031 | 
                
                    
                        126,515
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                20 Aug 2014 | 
                1,500 | 
                
                    
                        125,015
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                20 Aug 2014 | 
                4,497 | 
                
                    
                        120,518
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                12 Aug 2014 | 
                20,000 | 
                
                    
                        32,587
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                08 Aug 2014 | 
                10,000 | 
                
                    
                        52,587
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 Aug 2014 | 
                99,051 | 
                
                    
                        340,280
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                06 Aug 2014 | 
                17,500 | 
                
                    
                        62,587
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                04 Aug 2014 | 
                4,500 | 
                
                    
                        110,460
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                04 Aug 2014 | 
                4,330 | 
                
                    
                        106,130
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                24 Jun 2014 | 
                2,474 | 
                
                    
                        102,852
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                13 Jun 2014 | 
                8,000 | 
                
                    
                        105,326
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                06 Jun 2014 | 
                2,169 | 
                
                    
                        127,546
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                07 May 2014 | 
                442,849 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                07 May 2014 | 
                442,849 | 
                
                    
                        882,180
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.  | 
                07 May 2014 | 
                359,127 | 
                
                    
                        523,053
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 May 2014 | 
                83,722 | 
                
                    
                        439,331
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                07 May 2014 | 
                4,429 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                07 May 2014 | 
                4,429 | 
                
                    
                        47,513
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 May 2014 | 
                4,429 | 
                
                    
                        43,084
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                07 May 2014 | 
                3,405 | 
                
                    
                        114,960
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                05 Mar 2014 | 
                8,000 | 
                
                    
                        113,326
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2014 | 
                2,768 | 
                
                    
                        129,715
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2014 | 
                2,678 | 
                
                    
                        121,326
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2014 | 
                4,000 | 
                
                    
                        122,365
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2014 | 
                4,000 | 
                
                    
                        118,365
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2014 | 
                4,000 | 
                
                    
                        130,365
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2014 | 
                4,000 | 
                
                    
                        126,365
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                1,403 | 
                
                    
                        134,053
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                1,570 | 
                
                    
                        132,483
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                988 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                2,308 | 
                
                    
                        126,300
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                988 | 
                
                    
                        127,288
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                988 | 
                
                    
                        126,300
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Jan 2014 | 
                2,296 | 
                
                    
                        124,004
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2014 | 
                5,500 | 
                
                    
                        80,087
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2014 | 
                5,500 | 
                
                    
                        43,084
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2014 | 
                5,500 | 
                
                    
                        11,000
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2014 | 
                5,500 | 
                
                    
                        11,823
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2014 | 
                5,500 | 
                
                    
                        62,603
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2014 | 
                5,500 | 
                
                    
                        29,750
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                88,025 | 
                
                    
                        439,331
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                10,347 | 
                
                    
                        137,142
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                1,686 | 
                
                    
                        135,456
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                3,341 | 
                
                    
                        24,725
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                16,216 | 
                
                    
                        131,359
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                2,751 | 
                
                    
                        128,608
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                23,165 | 
                
                    
                        139,865
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                5,500 | 
                
                    
                        134,365
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                5,406 | 
                
                    
                        23,405
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                7,413 | 
                
                    
                        30,818
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                27 Jan 2014 | 
                6,178 | 
                
                    
                        45,055
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                30 Dec 2013 | 
                100,000 | 
                
                    
                        351,306
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                06 Dec 2013 | 
                3,790 | 
                
                    
                        115,143
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                02 Dec 2013 | 
                600 | 
                
                    
                        127,275
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                02 Dec 2013 | 
                480 | 
                
                    
                        126,795
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                02 Aug 2013 | 
                3,500 | 
                
                    
                        116,700
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                01 Aug 2013 | 
                2,214 | 
                
                    
                        118,933
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                28 Mar 2013 | 
                15,000 | 
                
                    
                        37,584
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                06 Mar 2013 | 
                27,729 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                06 Mar 2013 | 
                27,729 | 
                
                    
                        155,604
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                06 Mar 2013 | 
                27,729 | 
                
                    
                        127,875
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Feb 2013 | 
                4,000 | 
                
                    
                        120,200
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2013 | 
                2,480 | 
                
                    
                        127,875
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2013 | 
                3,377 | 
                
                    
                        21,384
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                26 Feb 2013 | 
                2,410 | 
                
                    
                        121,147
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                12 Feb 2013 | 
                8,000 | 
                
                    
                        124,200
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Dan Matula
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                01 Feb 2013 | 
                1,500 | 
                
                    
                        21,561
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2013 | 
                1,407 | 
                
                    
                        133,408
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2013 | 
                3,053 | 
                
                    
                        130,355
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2013 | 
                2,067 | 
                
                    
                        126,752
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2013 | 
                3,195 | 
                
                    
                        123,557
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2013 | 
                3,000 | 
                
                    
                        135,200
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                31 Jan 2013 | 
                3,000 | 
                
                    
                        132,200
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    James N. Bailey
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2013 | 
                5,500 | 
                
                    
                        74,587
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Michael A. Stein
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2013 | 
                5,500 | 
                
                    
                        52,584
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2013 | 
                5,500 | 
                
                    
                        5,500
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2013 | 
                5,500 | 
                
                    
                        6,323
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Robert A. Miller
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2013 | 
                5,500 | 
                
                    
                        57,103
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Kathleen M. Nelson
                 | 
                None | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                29 Jan 2013 | 
                5,500 | 
                
                    
                        24,250
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                119,479 | 
                
                    
                        451,306
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                14,045 | 
                
                    
                        136,072
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                1,257 | 
                
                    
                        134,815
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                4,402 | 
                
                    
                        24,761
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                22,010 | 
                
                    
                        130,896
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                2,077 | 
                
                    
                        128,819
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Ernest M. Freedman
                 | 
                Executive Vice President - CFO | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                22,010 | 
                
                    
                        138,200
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Keith Kimmel
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                7,337 | 
                
                    
                        17,999
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Dan Matula
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                10,481 | 
                
                    
                        23,061
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                8,385 | 
                
                    
                        31,690
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    John Bezzant
                 | 
                Executive Vice President | 
                 Grant, award, or other acquisition of securities at price $ 0.00 per share.  | 
                28 Jan 2013 | 
                7,187 | 
                
                    
                        38,877
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                31 Dec 2012 | 
                36,808 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Thomas L. Keltner
                 | 
                None | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                31 Dec 2012 | 
                36,808 | 
                
                    
                        36,808
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Other type of transaction at price $ 0.00 per share.  | 
                31 Dec 2012 | 
                29,390 | 
                
                    
                        823
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    J. Landis Martin
                 | 
                None | 
                 Other type of transaction at price $ 0.00 per share.  | 
                31 Dec 2012 | 
                29,390 | 
                
                    
                        29,390
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                31 Dec 2012 | 
                385 | 
                
                    
                        122,604
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Gift of securities by or to the insider at price $ 0.00 per share.  | 
                31 Dec 2012 | 
                577 | 
                
                    
                        122,027
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                06 Nov 2012 | 
                842 | 
                
                    
                        24,103
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Paul Beldin
                 | 
                Senior Vice President - CAO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                06 Nov 2012 | 
                3,744 | 
                
                    
                        20,359
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                01 Aug 2012 | 
                2,214 | 
                
                    
                        108,886
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                222,077 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Employee Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                685,828 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Employee Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                567,015 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Employee Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                567,014 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Employee Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                222,077 | 
                
                    
                        222,077
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                685,828 | 
                
                    
                        907,905
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                567,015 | 
                
                    
                        898,842
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                567,014 | 
                
                    
                        1,465,856
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                907,905 | 
                
                    
                        0
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                21 Jun 2012 | 
                1,134,029 | 
                
                    
                        331,827
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                28 Feb 2012 | 
                202,429 | 
                
                    
                        202,429
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Stock Option (right to buy) | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.  | 
                28 Feb 2012 | 
                202,429 | 
                
                    
                        534,256
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Terry Considine
                 | 
                Director, Chairman & CEO | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                28 Feb 2012 | 
                202,429 | 
                
                    
                        331,827
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Miles Cortez
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Feb 2012 | 
                2,425 | 
                
                    
                        122,989
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock | 
            
        
            
                
                | 
                    Lisa R. Cohn
                 | 
                Executive Vice President | 
                 Sale of securities on an exchange or to another person at price $ 0.00 per share.  | 
                27 Feb 2012 | 
                2,411 | 
                
                    
                        111,100
                    
                    
                 | 
                
                    
                       -
                    
                 | 
                 | 
                
                    
                        -
                    
                 | 
                Class A Common Stock |