Consolidated Statement of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid- In-Capital	Treasury Stock	Accumulated Other Comprehensive Income	Retained Earnings	Noncontrolling Interests	Series I Preferred Stock Series I Preferred Stock
Beginning Balance at Dec. 31, 2021	$ 4,778,253	$ 672	$ 3,739,409	$ (126,160)	$ (46,758)	$ 975,781	$ 13,377	$ 221,932
Beginning Balance (in shares) at Dec. 31, 2021		64,105
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(25,389)					(28,650)	3,261
Other comprehensive income	55,353				55,353
Preferred dividends	(7,475)					(7,475)
DRSPP proceeds (in shares)		3
DRSPP proceeds	199		199
Reallocation of noncontrolling interest in the Operating Partnership	(5,085)					(5,085)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		204
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	13,531	$ 3	13,528
Repurchases of common stock (in shares)		(1,971)
Repurchases of common stock	(151,197)	$ (20)	(114,979)			(36,198)
Contribution to consolidated joint venture interests	51,348						51,348
Cash distributions to noncontrolling interests	(3,020)						(3,020)
Issuance of special dividend paid primarily in stock (in shares)		1,961
Issuance of special dividend paid primarily in stock	160,620		163,115	(2,495)
Cash distributions declared	(118,374)					(118,374)
Ending Balance at Jun. 30, 2022	4,748,764	$ 655	3,801,272	(128,655)	8,595	779,999	64,966	221,932
Ending Balance (in shares) at Jun. 30, 2022		64,302
Beginning Balance at Mar. 31, 2022	4,739,115	$ 653	3,792,689	(128,655)	(7,261)	846,646	13,111	221,932
Beginning Balance (in shares) at Mar. 31, 2022		64,124
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(36,735)					(40,139)	3,404
Other comprehensive income	15,856				15,856
Preferred dividends	(3,737)					(3,737)
DRSPP proceeds (in shares)		2
DRSPP proceeds	110		110
Reallocation of noncontrolling interest in the Operating Partnership	37,938					37,938
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		176
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	8,475	$ 2	8,473
Contribution to consolidated joint venture interests	51,348						51,348
Cash distributions to noncontrolling interests	(2,897)						(2,897)
Cash distributions declared	(60,709)					(60,709)
Ending Balance at Jun. 30, 2022	4,748,764	$ 655	3,801,272	(128,655)	8,595	779,999	64,966	221,932
Ending Balance (in shares) at Jun. 30, 2022		64,302
Beginning Balance at Dec. 31, 2022	4,646,922	$ 656	3,790,358	(128,655)	49,604	651,138	61,889	221,932
Beginning Balance (in shares) at Dec. 31, 2022		64,380
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(395,115)					(392,450)	(2,665)
Other comprehensive income	8,165				8,165
Preferred dividends	(7,475)					(7,475)
DRSPP proceeds (in shares)		12
DRSPP proceeds	342		342
Reallocation of noncontrolling interest in the Operating Partnership	(11,198)					(11,198)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		(5)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	15,004		15,004
Contribution to consolidated joint venture interests	8,448						8,448
Cash distributions to noncontrolling interests	(763)						(763)
Cash distributions declared	(104,497)					(104,497)
Ending Balance at Jun. 30, 2023	4,159,833	$ 656	3,805,704	(128,655)	57,769	135,518	66,909	221,932
Ending Balance (in shares) at Jun. 30, 2023		64,387
Beginning Balance at Mar. 31, 2023	4,529,174	$ 656	3,798,101	(128,655)	19,428	549,024	68,688	221,932
Beginning Balance (in shares) at Mar. 31, 2023		64,373
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(357,497)					(356,457)	(1,040)
Other comprehensive income	38,341				38,341
Preferred dividends	(3,737)					(3,737)
DRSPP proceeds (in shares)		7
DRSPP proceeds	158		158
Reallocation of noncontrolling interest in the Operating Partnership	(1,051)					(1,051)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		7
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	7,445		7,445
Contribution to consolidated joint venture interests	(112)						(112)
Cash distributions to noncontrolling interests	(627)						(627)
Cash distributions declared	(52,261)					(52,261)
Ending Balance at Jun. 30, 2023	$ 4,159,833	$ 656	$ 3,805,704	$ (128,655)	$ 57,769	$ 135,518	$ 66,909	$ 221,932
Ending Balance (in shares) at Jun. 30, 2023		64,387