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Consolidated Statement of Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In-Capital | Treasury Stock | Accumulated Other Comprehensive Loss | Retained Earnings | Noncontrolling Interests | Series I Preferred Stock Preferred Stock | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjustment Retained Earnings | Cumulative Effect, Period of Adoption, Adjusted Balance | Cumulative Effect, Period of Adoption, Adjusted Balance Common Stock | Cumulative Effect, Period of Adoption, Adjusted Balance Additional Paid-In-Capital | Cumulative Effect, Period of Adoption, Adjusted Balance Treasury Stock | Cumulative Effect, Period of Adoption, Adjusted Balance Accumulated Other Comprehensive Loss | Cumulative Effect, Period of Adoption, Adjusted Balance Retained Earnings | Cumulative Effect, Period of Adoption, Adjusted Balance Noncontrolling Interests | Cumulative Effect, Period of Adoption, Adjusted Balance Series I Preferred Stock Preferred Stock
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2019 | $ 5,517,198 | $ 803 | $ 4,286,395 | $ (124,049) | $ (28,485) | $ 1,084,719 | $ 75,883 | $ 221,932 | $ (39,184) | $ (39,184) | $ 5,478,014 | $ 803 | $ 4,286,395 | $ (124,049) | $ (28,485) | $ 1,045,535 | $ 75,883 | $ 221,932
Beginning Balance (in shares) at Dec. 31, 2019 |  | 76,956 |  |  |  |  |  |  |  |  |  | 76,956 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 179,450 |  |  |  |  | 178,720 | 730 |  |  |  |  |  |  |  |  |  |  |
Acquisition of subsidiary interest from noncontrolling interest | (1,536) |  | (3,123) |  |  |  | 1,587 |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) | (53,886) |  |  |  | (53,886) |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (7,475) |  |  |  |  | (7,475) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 364 |  | 364 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units of the Operating Partnership to common stock (in shares) |  | 98 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units in the Operating Partnership for common stock | 8,744 | $ 1 | 8,743 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reallocation of noncontrolling interest in the Operating Partnership | 31,144 |  |  |  |  | 31,144 |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares) |  | (32) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 13,493 |  | 13,493 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (5,442) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (360,868) | $ (56) | (283,981) |  |  | (76,831) |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 8,186 |  |  |  |  |  | 8,186 |  |  |  |  |  |  |  |  |  |  |
Cash distributions to noncontrolling interests | (596) |  |  |  |  |  | (596) |  |  |  |  |  |  |  |  |  |  |
Cash distributions declared (per common share, none of which represented a return of capital for federal income tax purposes) | (89,272) |  |  |  |  | (89,272) |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Jun. 30, 2020 | 5,205,762 | $ 748 | 4,021,891 | (124,049) | (82,371) | 1,081,821 | 85,790 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Jun. 30, 2020 |  | 71,586 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2019 | 5,517,198 | $ 803 | 4,286,395 | (124,049) | (28,485) | 1,084,719 | 75,883 | 221,932 | (39,184) | (39,184) | 5,478,014 | $ 803 | 4,286,395 | (124,049) | (28,485) | 1,045,535 | 75,883 | 221,932
Beginning Balance (in shares) at Dec. 31, 2019 |  | 76,956 |  |  |  |  |  |  |  |  |  | 76,956 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (11,213) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2020 | 5,134,005 | $ 741 | 3,998,516 | (124,049) | (76,200) | 1,035,172 | 77,893 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Sep. 30, 2020 |  | 70,969 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2019 | 5,517,198 | $ 803 | 4,286,395 | (124,049) | (28,485) | 1,084,719 | 75,883 | 221,932 | $ (39,184) | $ (39,184) | $ 5,478,014 | $ 803 | $ 4,286,395 | $ (124,049) | $ (28,485) | $ 1,045,535 | $ 75,883 | $ 221,932
Beginning Balance (in shares) at Dec. 31, 2019 |  | 76,956 |  |  |  |  |  |  |  |  |  | 76,956 |  |  |  |  |  |
Ending Balance at Dec. 31, 2020 | 4,935,795 | $ 716 | 3,862,949 | (124,049) | (67,247) | 1,015,462 | 26,032 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Dec. 31, 2020 |  | 68,508 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Jun. 30, 2020 | 5,205,762 | $ 748 | 4,021,891 | (124,049) | (82,371) | 1,081,821 | 85,790 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Jun. 30, 2020 |  | 71,586 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 18,011 |  |  |  |  | 17,597 | 414 |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) | 6,171 |  |  |  | 6,171 |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (3,738) |  |  |  |  | (3,738) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 202 |  | 202 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units in the Operating Partnership for common stock | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reallocation of noncontrolling interest in the Operating Partnership | 4,109 |  |  |  |  | 4,109 |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares) |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 7,543 |  | 7,543 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (624) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (31,127) | $ (7) | (31,120) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 4,219 |  |  |  |  |  | 4,219 |  |  |  |  |  |  |  |  |  |  |
Cash distributions to noncontrolling interests | (12,530) |  |  |  |  |  | (12,530) |  |  |  |  |  |  |  |  |  |  |
Cash distributions declared (per common share, none of which represented a return of capital for federal income tax purposes) | (64,617) |  |  |  |  | (64,617) |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2020 | 5,134,005 | $ 741 | 3,998,516 | (124,049) | (76,200) | 1,035,172 | 77,893 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Sep. 30, 2020 |  | 70,969 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2020 | 4,935,795 | $ 716 | 3,862,949 | (124,049) | (67,247) | 1,015,462 | 26,032 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2020 |  | 68,508 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 103,804 |  |  |  |  | 105,343 | (1,539) |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) | 384 |  |  |  | 384 |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (7,475) |  |  |  |  | (7,475) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 467 |  | 467 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reallocation of noncontrolling interest in the Operating Partnership | (32,475) |  |  |  |  | (32,475) |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares) |  | 112 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 14,319 | $ 2 | 14,317 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (2,781) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (198,887) | $ (28) | (177,972) |  |  | (20,887) |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 305 |  |  |  |  |  | 305 |  |  |  |  |  |  |  |  |  |  |
Cash distributions to noncontrolling interests | (173) |  |  |  |  |  | (173) |  |  |  |  |  |  |  |  |  |  |
Issuance of special dividend paid primarily in stock (in shares) |  | 2,034 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of special dividend paid primarily in stock | 123,529 |  | 123,529 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash distributions declared (per common share, none of which represented a return of capital for federal income tax purposes) | (125,836) |  |  |  |  | (125,836) |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Jun. 30, 2021 | 4,813,757 | $ 690 | 3,823,290 | (124,049) | (66,863) | 934,132 | 24,625 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Jun. 30, 2021 |  | 67,880 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2020 | 4,935,795 | $ 716 | 3,862,949 | (124,049) | (67,247) | 1,015,462 | 26,032 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2020 |  | 68,508 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (11,213) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2021 | 5,082,215 | $ 680 | 3,774,119 | (126,160) | (60,597) | 1,258,232 | 14,009 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Sep. 30, 2021 |  | 66,865 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Jun. 30, 2021 | 4,813,757 | $ 690 | 3,823,290 | (124,049) | (66,863) | 934,132 | 24,625 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Jun. 30, 2021 |  | 67,880 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 391,028 |  |  |  |  | 391,943 | (915) |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) | 6,266 |  |  |  | 6,266 |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (3,738) |  |  |  |  | (3,738) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 146 |  | 146 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reallocation of noncontrolling interest in the Operating Partnership | 15,230 |  |  |  |  | 15,230 |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares) |  | (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 7,932 |  | 7,932 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (1,016) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (77,957) | $ (10) | (57,249) |  |  | (20,698) |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 5 |  |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |
Sale of interest in partially owned entity | (4,476) |  |  |  |  |  | (4,476) |  |  |  |  |  |  |  |  |  |  |
Cash distributions to noncontrolling interests | (5,230) |  |  |  |  |  | (5,230) |  |  |  |  |  |  |  |  |  |  |
Issuance of special dividend paid primarily in stock | 0 |  |  | (2,111) |  | 2,111 |  |  |  |  |  |  |  |  |  |  |  |
Cash distributions declared (per common share, none of which represented a return of capital for federal income tax purposes) | (60,748) |  |  |  |  | (60,748) |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2021 | $ 5,082,215 | $ 680 | $ 3,774,119 | $ (126,160) | $ (60,597) | $ 1,258,232 | $ 14,009 | $ 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Sep. 30, 2021 |  | 66,865 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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