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Consolidated Statement of Equity (Unaudited) - 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, 2018 | $ 5,947,855 | $ 847 | $ 4,508,685 | $ (124,049) | $ 15,108 | $ 1,278,998 | $ 46,334 | $ 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2018 |  | 83,684 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 210,470 |  |  |  |  | 212,370 | (1,900) |  |  |  |  |  |  |  |  |  |  |
Acquisition of subsidiary interest from noncontrolling interest | (25,791) |  | (515) |  |  |  | (25,276) |  |  |  |  |  |  |  |  |  |  |
Other comprehensive loss | (43,503) |  |  |  | (43,503) |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (7,475) |  |  |  |  | (7,475) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 263 |  | 263 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units of the Operating Partnership to common stock (in shares) |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units in the Operating Partnership for common stock | 446 |  | 446 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reallocation of noncontrolling interest in the Operating Partnership | (14,028) |  |  |  |  | (14,028) |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares) |  | (17) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 10,533 |  | 10,533 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (1,265) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (109,313) | $ (12) | (68,203) |  |  | (41,098) |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 50,692 |  |  |  |  |  | 50,692 |  |  |  |  |  |  |  |  |  |  |
Cash distributions to noncontrolling interests | (271) |  |  |  |  |  | (271) |  |  |  |  |  |  |  |  |  |  |
Cash distributions declared (per common share, none of which represented a return of capital for federal income tax purposes) | (140,377) |  |  |  |  | (140,377) |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Jun. 30, 2019 | 5,879,501 | $ 835 | 4,451,209 | (124,049) | (28,395) | 1,288,390 | 69,579 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Jun. 30, 2019 |  | 82,410 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2018 | 5,947,855 | $ 847 | 4,508,685 | (124,049) | 15,108 | 1,278,998 | 46,334 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2018 |  | 83,684 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (11,213) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2019 | 5,763,300 | $ 826 | 4,407,667 | (124,049) | (40,132) | 1,225,904 | 71,152 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Sep. 30, 2019 |  | 81,515 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2018 | 5,947,855 | $ 847 | 4,508,685 | (124,049) | 15,108 | 1,278,998 | 46,334 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2018 |  | 83,684 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2019 | 5,517,198 | $ 803 | 4,286,395 | (124,049) | (28,485) | 1,084,719 | 75,883 | 221,932 |  |  | $ 5,478,014 | $ 803 | $ 4,286,395 | $ (124,049) | $ (28,485) | $ 1,045,535 | $ 75,883 | $ 221,932
Ending Balance (Accounting Standards Update 2016-13) at Dec. 31, 2019 |  |  |  |  |  |  |  |  | $ (39,184) | $ (39,184) |  |  |  |  |  |  |  |
Ending Balance (in shares) at Dec. 31, 2019 |  | 79,202 |  |  |  |  |  |  |  |  |  | 79,202 |  |  |  |  |  |
Beginning Balance at Jun. 30, 2019 | 5,879,501 | $ 835 | 4,451,209 | (124,049) | (28,395) | 1,288,390 | 69,579 | 221,932 |  |  |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Jun. 30, 2019 |  | 82,410 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 36,271 |  |  |  |  | 36,895 | (624) |  |  |  |  |  |  |  |  |  |  |
Acquisition of subsidiary interest from noncontrolling interest | (54) |  | (54) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive loss | (11,737) |  |  |  | (11,737) |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (3,738) |  |  |  |  | (3,738) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 39 |  | 39 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units in the Operating Partnership for common stock | 25 |  | 25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reallocation of noncontrolling interest in the Operating Partnership | (1,481) |  |  |  |  | (1,481) |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares) |  | 21 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 5,948 |  | 5,948 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (916) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (74,531) | $ (9) | (49,500) |  |  | (25,022) |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 2,404 |  |  |  |  |  | 2,404 |  |  |  |  |  |  |  |  |  |  |
Cash distributions to noncontrolling interests | (207) |  |  |  |  |  | (207) |  |  |  |  |  |  |  |  |  |  |
Cash distributions declared (per common share, none of which represented a return of capital for federal income tax purposes) | (69,140) |  |  |  |  | (69,140) |  |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2019 | $ 5,763,300 | $ 826 | 4,407,667 | (124,049) | (40,132) | 1,225,904 | 71,152 | 221,932 |  |  |  |  |  |  |  |  |  |
Ending Balance (in shares) at Sep. 30, 2019 |  | 81,515 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash distribution declared, per common share (in dollars per share) | $ 0.85 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2019 | $ 5,517,198 | $ 803 | 4,286,395 | (124,049) | (28,485) | 1,084,719 | 75,883 | 221,932 |  |  | 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 |  | 79,202 |  |  |  |  |  |  |  |  |  | 79,202 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 179,451 |  |  |  |  | 178,720 | 731 |  |  |  |  |  |  |  |  |  |  |
Acquisition of subsidiary interest from noncontrolling interest | (1,536) |  | (3,123) |  |  |  | 1,587 |  |  |  |  |  |  |  |  |  |  |
Other comprehensive 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) |  | 101 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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) |  | (33) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings | 13,493 |  | 13,493 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (5,601) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (360,868) | $ (56) | (283,981) |  |  | (76,831) |  |  |  |  |  |  |  |  |  |  |  |
Contributions to consolidated joint venture interests | 8,185 |  |  |  |  |  | 8,185 |  |  |  |  |  |  |  |  |  |  |
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 |  | 73,675 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2019 | 5,517,198 | $ 803 | 4,286,395 | (124,049) | (28,485) | 1,084,719 | 75,883 | 221,932 |  |  | $ 5,478,014 | $ 803 | $ 4,286,395 | $ (124,049) | $ (28,485) | $ 1,045,535 | $ 75,883 | $ 221,932
Beginning Balance (Accounting Standards Update 2016-13) at Dec. 31, 2019 |  |  |  |  |  |  |  |  | $ (39,184) | $ (39,184) |  |  |  |  |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2019 |  | 79,202 |  |  |  |  |  |  |  |  |  | 79,202 |  |  |  |  |  |
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 |  | 73,040 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  | 73,675 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 18,011 |  |  |  |  | 17,597 | 414 |  |  |  |  |  |  |  |  |  |  |
Acquisition of subsidiary interest from noncontrolling interest | 0 |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |
Other comprehensive loss | 6,171 |  |  |  | 6,171 |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (3,738) |  |  |  |  | (3,738) |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds (in shares) |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DRSPP proceeds | 202 |  | 202 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units of the Operating Partnership to common stock (in shares) |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of units in the Operating Partnership for common stock | 0 | $ 0 | 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 | $ 0 | 7,543 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | (642) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | (31,127) | $ (7) | (31,120) |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
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 |  | 73,040 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash distribution declared, per common share (in dollars per share) | $ 0.885 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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