CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Total Stock- holders’ Equity	Common Stock	Additional Paid-in Capital	Retained Earnings (Distributions in Excess of Earnings)	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020			116,035,827
Beginning balance at Dec. 31, 2020	$ 5,277,321	$ 5,029,943	$ 1,160	$ 5,131,916	$ (103,133)	$ 247,378
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	507,411	497,631			497,631	9,780
Issuance of share-based compensation awards	1,950	1,950		1,950
Non-cash amortization of share-based compensation (Note 8)	9,604	9,604		9,604
Settlement of restricted stock units for shares of common stock (in shares)			769,701
Settlement of restricted stock units for shares of common stock	0		$ 8	(8)
Repurchase of common stock and restricted stock units (in shares)			(355,158)
Repurchase of common stock and restricted stock units	(21,137)	(21,137)	$ (3)	(21,134)
Distributions to noncontrolling interests in consolidated property partnerships	(11,680)					(11,680)
Adjustment for noncontrolling interest	0	256		256		(256)
Dividends declared per common share and common unit	(60,577)	(60,002)			(60,002)	(575)
Ending balance (in shares) at Mar. 31, 2021			116,450,370
Ending balance at Mar. 31, 2021	5,702,892	5,458,245	$ 1,165	5,122,584	334,496	244,647
Beginning balance (in shares) at Dec. 31, 2020			116,035,827
Beginning balance at Dec. 31, 2020	5,277,321	5,029,943	$ 1,160	5,131,916	(103,133)	247,378
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	603,784
Contributions from noncontrolling interests in consolidated property partnerships	1,591
Ending balance (in shares) at Sep. 30, 2021			116,461,683
Ending balance at Sep. 30, 2021	5,690,638	5,444,464	$ 1,165	5,146,049	297,250	246,174
Beginning balance (in shares) at Mar. 31, 2021			116,450,370
Beginning balance at Mar. 31, 2021	5,702,892	5,458,245	$ 1,165	5,122,584	334,496	244,647
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	42,880	35,839			35,839	7,041
Issuance of share-based compensation awards	645	645		645
Non-cash amortization of share-based compensation (Note 8)	11,193	11,193		11,193
Settlement of restricted stock units for shares of common stock (in shares)			3,840
Settlement of restricted stock units for shares of common stock	0
Distributions to noncontrolling interests in consolidated property partnerships	(4,692)					(4,692)
Adjustment for noncontrolling interest	0	(102)		(102)		102
Dividends declared per common share and common unit	(59,453)	(58,877)			(58,877)	(576)
Ending balance (in shares) at Jun. 30, 2021			116,454,210
Ending balance at Jun. 30, 2021	5,693,465	5,446,943	$ 1,165	5,134,320	311,458	246,522
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	53,493	47,028			47,028	6,465
Issuance of share-based compensation awards	650	650		650
Non-cash amortization of share-based compensation (Note 8)	11,477	11,477		11,477
Settlement of restricted stock units for shares of common stock (in shares)			11,743
Settlement of restricted stock units for shares of common stock	0		$ 0	0
Repurchase of common stock and restricted stock units (in shares)			(4,270)
Repurchase of common stock and restricted stock units	(282)	(282)	$ 0	(282)
Contributions from noncontrolling interests in consolidated property partnerships						1,591
Contributions from noncontrolling interests in consolidated property partnerships	1,591
Distributions to noncontrolling interests in consolidated property partnerships	(7,922)					(7,922)
Adjustment for noncontrolling interest	0	(116)		(116)		116
Dividends declared per common share and common unit	(61,834)	(61,236)			(61,236)	(598)
Ending balance (in shares) at Sep. 30, 2021			116,461,683
Ending balance at Sep. 30, 2021	$ 5,690,638	5,444,464	$ 1,165	5,146,049	297,250	246,174
Beginning balance (in shares) at Dec. 31, 2021	116,464,169		116,464,169
Beginning balance at Dec. 31, 2021	$ 5,689,870	5,440,060	$ 1,165	5,155,232	283,663	249,810
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	59,383	53,128			53,128	6,255
Issuance of share-based compensation awards	1,942	1,942		1,942
Non-cash amortization of share-based compensation (Note 8)	6,598	6,598		6,598
Settlement of restricted stock units for shares of common stock (in shares)			459,050
Settlement of restricted stock units for shares of common stock	0		$ 5	(5)
Repurchase of common stock and restricted stock units (in shares)			(207,139)
Repurchase of common stock and restricted stock units	(13,994)	(13,994)	$ (3)	(13,991)
Distributions to noncontrolling interests in consolidated property partnerships	(14,842)					(14,842)
Adjustment for noncontrolling interest	0	192		192		(192)
Dividends declared per common share and common unit	(63,196)	(62,598)			(62,598)	(598)
Ending balance (in shares) at Mar. 31, 2022			116,716,080
Ending balance at Mar. 31, 2022	$ 5,665,761	5,425,328	$ 1,167	5,149,968	274,193	240,433
Beginning balance (in shares) at Dec. 31, 2021	116,464,169		116,464,169
Beginning balance at Dec. 31, 2021	$ 5,689,870	5,440,060	$ 1,165	5,155,232	283,663	249,810
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	200,018
Contributions from noncontrolling interests in consolidated property partnerships	$ 0
Ending balance (in shares) at Sep. 30, 2022	116,877,453		116,877,453
Ending balance at Sep. 30, 2022	$ 5,679,777	5,439,395	$ 1,169	5,162,088	276,138	240,382
Beginning balance (in shares) at Mar. 31, 2022			116,716,080
Beginning balance at Mar. 31, 2022	5,665,761	5,425,328	$ 1,167	5,149,968	274,193	240,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	53,975	47,105			47,105	6,870
Issuance of share-based compensation awards	635	635		635
Non-cash amortization of share-based compensation (Note 8)	9,665	9,665		9,665
Settlement of restricted stock units for shares of common stock (in shares)			273,382
Settlement of restricted stock units for shares of common stock	0		$ 2	(2)
Repurchase of common stock and restricted stock units (in shares)			(118,492)
Repurchase of common stock and restricted stock units	(8,660)	(8,660)	$ 0	(8,660)
Distributions to noncontrolling interests in consolidated property partnerships	(6,948)					(6,948)
Adjustment for noncontrolling interest	0	99		99		(99)
Dividends declared per common share and common unit	(61,877)	(61,278)			(61,278)	(599)
Ending balance (in shares) at Jun. 30, 2022			116,870,970
Ending balance at Jun. 30, 2022	5,652,551	5,412,894	$ 1,169	5,151,705	260,020	239,657
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	86,660	79,757			79,757	6,903
Issuance of share-based compensation awards	505	505		505
Non-cash amortization of share-based compensation (Note 8)	10,287	10,287		10,287
Settlement of restricted stock units for shares of common stock (in shares)			11,930
Settlement of restricted stock units for shares of common stock	0
Repurchase of common stock and restricted stock units (in shares)			(5,447)
Repurchase of common stock and restricted stock units	(267)	(267)	$ 0	(267)
Distributions to noncontrolling interests in consolidated property partnerships	(5,700)					(5,700)
Adjustment for noncontrolling interest	0	(142)		(142)		142
Dividends declared per common share and common unit	$ (64,259)	(63,639)			(63,639)	(620)
Ending balance (in shares) at Sep. 30, 2022	116,877,453		116,877,453
Ending balance at Sep. 30, 2022	$ 5,679,777	$ 5,439,395	$ 1,169	$ 5,162,088	$ 276,138	$ 240,382