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)	11,346					11,489	(143)
Other comprehensive loss	39,497				39,497
Preferred dividends	(3,738)					(3,738)
DRSPP proceeds (in shares)		1
DRSPP proceeds	89		89
Reallocation of noncontrolling interest in the Operating Partnership	(43,023)					(43,023)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		28
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	5,056	$ 1	5,055
Repurchases of common stock (in shares)		(1,971)
Repurchases of common stock	(151,197)	$ (20)	(114,979)			(36,198)
Cash distributions to noncontrolling interests	(123)						(123)
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	(57,665)					(57,665)
Ending Balance at Mar. 31, 2022	4,739,115	$ 653	3,792,689	(128,655)	(7,261)	846,646	13,111	221,932
Ending Balance (in shares) at Mar. 31, 2022		64,124
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)	(37,618)					(35,993)	(1,625)
Other comprehensive loss	(30,176)				(30,176)
Preferred dividends	(3,738)					(3,738)
DRSPP proceeds (in shares)		5
DRSPP proceeds	184		184
Reallocation of noncontrolling interest in the Operating Partnership	(10,147)					(10,147)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		(12)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings	7,559		7,559
Contribution to consolidated joint venture interests	8,560						8,560
Cash distributions to noncontrolling interests	(136)						(136)
Cash distributions declared	(52,236)					(52,236)
Ending Balance at Mar. 31, 2023	$ 4,529,174	$ 656	$ 3,798,101	$ (128,655)	$ 19,428	$ 549,024	$ 68,688	$ 221,932
Ending Balance (in shares) at Mar. 31, 2023		64,373