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 7)	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, 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 7)	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		116,716,080
Ending balance at Mar. 31, 2022	$ 5,665,761	$ 5,425,328	$ 1,167	$ 5,149,968	$ 274,193	$ 240,433