Consolidated Statement of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid- In-Capital	Additional Paid- In-Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Noncontrolling Interests	Noncontrolling Interests Cumulative Effect, Period of Adoption, Adjusted Balance	Series I Preferred Stock Preferred Stock	Series I Preferred Stock Preferred Stock Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning Balance at Dec. 31, 2019	$ 5,517,198	$ (39,184)	$ 5,478,014	$ 803	$ 803	$ 4,286,395	$ 4,286,395	$ (124,049)	$ (124,049)	$ (28,485)	$ (28,485)	$ 1,084,719	$ (39,184)	$ 1,045,535	$ 75,883	$ 75,883	$ 221,932	$ 221,932
Beginning Balance (in shares) at Dec. 31, 2019				74,672	74,672
Increase (Decrease) in Stockholders' Equity
Net loss	385,995											371,055			14,940
Acquisition of subsidiary interest from noncontrolling interest	(1,536)					(3,123)									1,587
Other comprehensive loss	(38,762)									(38,762)
Preferred dividends	(14,950)											(14,950)
DRSPP (in shares)				16
DRSPP proceeds	1,006					1,006
Conversion of units of the Operating Partnership to common stock (in shares)				95
Conversion of units in the Operating Partnership for common stock	8,744			$ 1		8,743
Reallocation of noncontrolling interest in the operating partnership	32,598											32,598
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	25,271					25,271
Repurchases of common stock (in shares)				(8,276)
Repurchases of common units	(532,262)			$ (88)		(455,343)						(76,831)
Contributions to consolidated joint venture interests	12,477														12,477
Cash distributions to noncontrolling interests	(78,855)														(78,855)
Cash distributions declared ( per common share, none of which represented a return of capital for federal income tax purposes)	(341,945)											(341,945)
Ending Balance at Dec. 31, 2020	4,935,795			$ 716		3,862,949		(124,049)		(67,247)		1,015,462			26,032		221,932
Ending Balance (in shares) at Dec. 31, 2020				66,474
Increase (Decrease) in Stockholders' Equity
Net loss	447,870											449,754			(1,884)
Other comprehensive loss	20,489									20,489
Preferred dividends	(14,950)											(14,950)
DRSPP (in shares)				11
DRSPP proceeds	738					738
Reallocation of noncontrolling interest in the operating partnership	(9,851)											(9,851)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)				108
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	32,583			$ 2		32,581
Repurchases of common stock (in shares)				(4,474)
Repurchases of common units	(337,624)			$ (46)		(281,206)						(56,372)
Proceeds from stock options exercised (in shares)				12
Proceeds from stock options exercised	818					818
Contributions to consolidated joint venture interests	336														336
Sale of interest in partially owned entity	(4,476)														(4,476)
Cash distributions to noncontrolling interests	(6,631)														(6,631)
Issuance of a special dividend paid primarily in stock (in shares)				1,974
Issuance of special dividend paid in stock	123,529					123,529		(2,111)				2,111
Cash distributions declared ( per common share, none of which represented a return of capital for federal income tax purposes)	(410,373)											(410,373)
Ending Balance at Dec. 31, 2021	4,778,253			$ 672		3,739,409		(126,160)		(46,758)		975,781			13,377		221,932
Ending Balance (in shares) at Dec. 31, 2021				64,105
Increase (Decrease) in Stockholders' Equity
Net loss	(76,952)											(78,074)			1,122
Acquisition of subsidiary interest from noncontrolling interest	(29,817)					(29,742)									(75)
Other comprehensive loss	96,362									96,362
Preferred dividends	(14,950)											(14,950)
DRSPP (in shares)				11
DRSPP proceeds	525					525
Reallocation of noncontrolling interest in the operating partnership	39,974											39,974
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)				274
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	32,034			$ 4		32,030
Repurchases of common stock (in shares)				(1,971)
Repurchases of common units	(151,197)			$ (20)		(114,979)						(36,198)
Contributions to consolidated joint venture interests	52,164														52,164
Cash distributions to noncontrolling interests	(4,699)														(4,699)
Issuance of a special dividend paid primarily in stock (in shares)				1,961
Issuance of special dividend paid in stock	160,620					163,115		(2,495)
Cash distributions declared ( per common share, none of which represented a return of capital for federal income tax purposes)	(235,395)											(235,395)
Ending Balance at Dec. 31, 2022	$ 4,646,922			$ 656		$ 3,790,358		$ (128,655)		$ 49,604		$ 651,138			$ 61,889		$ 221,932
Ending Balance (in shares) at Dec. 31, 2022				64,380