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Consolidated Statements Of Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock [Member] | Preferred Stock [Member] | Additional Paid-In Capital [Member] | Dividends In Excess Of Earnings [Member] | Dividends In Excess Of Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment | Treasury Stock, at cost [Member] | Accumulated Other Comprehensive Loss [Member] | Noncontrolling Interests [Member] | Noncontrolling Interests [Member] Cumulative Effect, Period of Adoption, Adjustment | Noncontrolling interest - property partnerships [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Equity, shares at Dec. 31, 2019 |  |  | 154,790,000 |  |  |  |  |  |  |  |  |
Equity, value at Dec. 31, 2019 | $ 8,014,236 |  | $ 1,548 | $ 200,000 | $ 6,294,719 | $ (760,523) |  | $ (2,722) | $ (48,335) | $ 600,860 |  | $ 1,728,689
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] | Accounting Standards Update 2018-09 | Accounting Standards Update 2018-09 |  |  |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, shares |  |  | 765,000 |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, value | $ 0 |  | $ 8 |  | 26,336 |  |  |  |  | (26,344) |  |
Allocated net income for the year | 875,726 |  |  |  |  | 769,482 |  |  |  | 87,525 |  | 18,719
Dividends/distributions declared | (344,603) |  |  |  |  | (309,965) |  |  |  | (34,638) |  |
Shares issued pursuant to stock purchase plan, shares |  |  | 2,000 |  |  |  |  |  |  |  |  |
Shares issued pursuant to stock purchase plan, value | 325 |  |  |  | 325 |  |  |  |  |  |  |
Net activity from stock option and incentive plan, shares |  |  | 65,000 |  |  |  |  |  |  |  |  |
Net activity from stock option and incentive plan, value | 33,285 |  | $ 0 |  | 8,256 |  |  |  |  | 25,029 |  |
Preferred Stock Redemption Charge | 0 |  |  |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests in property partnerships | 5,957 |  |  |  |  |  |  |  |  |  |  | 5,957
Distributions to noncontrolling interests in property partnerships | (29,065) |  |  |  |  |  |  |  |  |  |  | (29,065)
Effective portion of interest rate contracts | (10,379) |  |  |  |  |  |  |  | (9,333) | (1,046) |  | 0
Amortization of interest rate contracts | 3,343 |  |  |  |  |  |  |  | 2,747 | 308 |  | 288
Reallocation of noncontrolling interest | 0 |  |  |  | 11,029 |  |  |  |  | (11,029) |  |
Equity, shares at Jun. 30, 2020 |  |  | 155,622,000 |  |  |  |  |  |  |  |  |
Equity, value at Jun. 30, 2020 | 8,547,146 | $ (1,679) | $ 1,556 | 200,000 | 6,340,665 | (302,511) | $ (1,505) | (2,722) | (54,921) | 640,491 | $ (174) | 1,724,588
Equity, shares at Mar. 31, 2020 |  |  | 155,315,000 |  |  |  |  |  |  |  |  |
Equity, value at Mar. 31, 2020 | 8,420,883 |  | $ 1,553 | 200,000 | 6,321,475 | (416,740) |  | (2,722) | (55,700) | 636,572 |  | 1,736,445
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, shares |  |  | 303,000 |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, value | 0 |  | $ 3 |  | 10,846 |  |  |  |  | (10,849) |  |
Allocated net income for the year | 298,580 |  |  |  |  | 269,361 |  |  |  | 29,986 |  | (767)
Dividends/distributions declared | (172,326) |  |  |  |  | (155,132) |  |  |  | (17,194) |  |
Net activity from stock option and incentive plan, shares |  |  | 4,000 |  |  |  |  |  |  |  |  |
Net activity from stock option and incentive plan, value | 10,225 |  |  |  | 873 |  |  |  |  | 9,352 |  |
Preferred Stock Redemption Charge | 0 |  |  |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests in property partnerships | 2,081 |  |  |  |  |  |  |  |  |  |  | 2,081
Distributions to noncontrolling interests in property partnerships | (13,315) |  |  |  |  |  |  |  |  |  |  | (13,315)
Effective portion of interest rate contracts | (659) |  |  |  |  |  |  |  | (601) | (58) |  |
Amortization of interest rate contracts | 1,677 |  |  |  |  |  |  |  | 1,380 | 153 |  | 144
Reallocation of noncontrolling interest | 0 |  |  |  | 7,471 |  |  |  |  | (7,471) |  |
Equity, shares at Jun. 30, 2020 |  |  | 155,622,000 |  |  |  |  |  |  |  |  |
Equity, value at Jun. 30, 2020 | $ 8,547,146 | $ (1,679) | $ 1,556 | 200,000 | 6,340,665 | (302,511) | $ (1,505) | (2,722) | (54,921) | 640,491 | $ (174) | 1,724,588
Equity, shares at Dec. 31, 2020 | 155,718,825 |  | 155,719,000 |  |  |  |  |  |  |  |  |
Equity, value at Dec. 31, 2020 | $ 8,339,612 |  | $ 1,557 | 200,000 | 6,356,791 | (509,653) |  | (2,722) | (49,890) | 616,596 |  | 1,726,933
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, shares |  |  | 177,000 |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, value | 0 |  | $ 1 |  | 6,284 |  |  |  |  | (6,285) |  |
Allocated net income for the year | 269,397 |  |  |  |  | 212,344 |  |  |  | 23,422 |  | 33,631
Dividends/distributions declared | (343,066) |  |  |  |  | (308,526) |  |  |  | (34,540) |  |
Shares issued pursuant to stock purchase plan, shares |  |  | 5,000 |  |  |  |  |  |  |  |  |
Shares issued pursuant to stock purchase plan, value | 484 |  |  |  | 484 |  |  |  |  |  |  |
Net activity from stock option and incentive plan, shares |  |  | 235,000 |  |  |  |  |  |  |  |  |
Net activity from stock option and incentive plan, value | 51,364 |  | $ 3 |  | 19,708 |  |  |  |  | 31,653 |  |
Preferred Stock, Redeemed | (193,623) |  |  | (200,000) | 6,377 |  |  |  |  |  |  |
Preferred Stock Redemption Charge | (6,412) |  |  |  |  | 6,412 |  |  |  |  |  |
Contributions from noncontrolling interests in property partnerships | 2,420 |  |  |  |  |  |  |  |  |  |  | 2,420
Distributions to noncontrolling interests in property partnerships | (37,929) |  |  |  |  |  |  |  |  |  |  | (37,929)
Effective portion of interest rate contracts | (4,394) |  |  |  |  |  |  |  | 3,962 | (432) |  |
Amortization of interest rate contracts | 3,352 |  |  |  |  |  |  |  | 2,762 | 302 |  | 288
Reallocation of noncontrolling interest | $ 0 |  |  |  | 16,272 |  |  |  |  | (16,272) |  |
Equity, shares at Jun. 30, 2021 | 156,135,959 |  | 156,136,000 |  |  |  |  |  |  |  |  |
Equity, value at Jun. 30, 2021 | $ 8,089,993 |  | $ 1,561 | 0 | 6,405,916 | (612,247) |  | (2,722) | (43,166) | 615,308 |  | 1,725,343
Equity, shares at Mar. 31, 2021 |  |  | 156,074,000 |  |  |  |  |  |  |  |  |
Equity, value at Mar. 31, 2021 | 8,121,347 |  | $ 1,561 | 0 | 6,392,923 | (570,982) |  | (2,722) | (45,139) | 620,106 |  | 1,725,600
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, shares |  |  | 59,000 |  |  |  |  |  |  |  |  |
Redemption of operating partnership units to common stock, value | 0 |  | $ 0 |  | 2,087 |  |  |  |  | (2,087) |  |
Allocated net income for the year | 141,250 |  |  |  |  | 111,748 |  |  |  | 12,338 |  | 17,164
Dividends/distributions declared | (170,266) |  |  |  |  | (153,013) |  |  |  | (17,253) |  |
Net activity from stock option and incentive plan, shares |  |  | 3,000 |  |  |  |  |  |  |  |  |
Net activity from stock option and incentive plan, value | 12,897 |  | $ 0 |  | (294) |  |  |  |  | 13,191 |  |
Preferred Stock Redemption Charge | 0 |  |  |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests in property partnerships | 2,139 |  |  |  |  |  |  |  |  |  |  | 2,139
Distributions to noncontrolling interests in property partnerships | (19,704) |  |  |  |  |  |  |  |  |  |  | (19,704)
Effective portion of interest rate contracts | 654 |  |  |  |  |  |  |  | 593 | 61 |  | 0
Amortization of interest rate contracts | 1,676 |  |  |  |  |  |  |  | 1,380 | 152 |  | 144
Reallocation of noncontrolling interest | $ 0 |  |  |  | 11,200 |  |  |  |  | (11,200) |  |
Equity, shares at Jun. 30, 2021 | 156,135,959 |  | 156,136,000 |  |  |  |  |  |  |  |  |
Equity, value at Jun. 30, 2021 | $ 8,089,993 |  | $ 1,561 | $ 0 | $ 6,405,916 | $ (612,247) |  | $ (2,722) | $ (43,166) | $ 615,308 |  | $ 1,725,343

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