Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid- In-Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Deficit	Noncontrolling Interests	Series I Preferred Stock Series I Preferred Stock
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
Conversion of common units (shares)		77
Conversion of units in the Operating Partnership for common stock	0
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 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)	(417,138)					(412,679)	(4,459)
Other comprehensive income (loss)	20,012				20,012
Perpetual preferred unit dividends	(11,213)					(11,213)
DRSPP proceeds (in shares)		15
DRSPP proceeds	439		439
Reallocation of noncontrolling interest in the Operating Partnership	(8,072)					(8,072)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		3
Deferred Compensation Plan and Stock Award, Net	22,961		22,961
Consolidation of joint venture interest	11,714						11,714
Cash distributions to noncontrolling interests	(1,614)						(1,614)
Cash distributions declared	(156,768)					(156,768)
Ending balance at Sep. 30, 2023	4,107,243	$ 656	3,813,758	(128,655)	69,616	62,406	67,530	221,932
Ending balance (in shares) at Sep. 30, 2023		64,398
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
Ending balance at Dec. 31, 2023	3,855,925	$ 660	3,826,452	(128,655)	17,477	(151,551)	69,610	221,932
Ending balance (in shares) at Dec. 31, 2023		64,726
Beginning balance at Jun. 30, 2023	4,159,833	$ 656	3,805,704	(128,655)	57,769	135,518	66,909	221,932
Beginning balance (in shares) at Jun. 30, 2023		64,387
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(22,023)					(20,229)	(1,794)
Other comprehensive income (loss)	11,847				11,847
Perpetual preferred unit dividends	(3,738)					(3,738)
DRSPP proceeds (in shares)		3
DRSPP proceeds	97		97
Reallocation of noncontrolling interest in the Operating Partnership	3,126					3,126
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		8
Deferred Compensation Plan and Stock Award, Net	7,957		7,957
Consolidation of joint venture interest	3,266						3,266
Cash distributions to noncontrolling interests	(851)						(851)
Cash distributions declared	(52,271)					(52,271)
Ending balance at Sep. 30, 2023	4,107,243	$ 656	3,813,758	(128,655)	69,616	62,406	67,530	221,932
Ending balance (in shares) at Sep. 30, 2023		64,398
Beginning balance at Dec. 31, 2023	3,855,925	$ 660	3,826,452	(128,655)	17,477	(151,551)	69,610	221,932
Beginning balance (in shares) at Dec. 31, 2023		64,726
Increase (Decrease) in Stockholders' Equity
Net income (loss)	4,765					8,915	(4,150)
Acquisition of subsidiary interest from noncontrolling interest	(5,674)						(5,674)
Other comprehensive income (loss)	(44,785)				(44,785)
Perpetual preferred unit dividends	(11,213)					(11,213)
DRSPP proceeds (in shares)		342
DRSPP proceeds	23,753	$ 3	23,750
Reallocation of noncontrolling interest in the Operating Partnership	(77,400)					(77,400)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		90
Deferred Compensation Plan and Stock Award, Net	15,886		15,886
Contributions to consolidated joint venture interests	1,823						1,823
Consolidation of joint venture interest	6,678						6,678
Cash distributions to noncontrolling interests	(4,567)						(4,567)
Cash distributions declared	(145,186)					(145,186)
Ending balance at Sep. 30, 2024	3,620,005	$ 663	3,866,088	(128,655)	(27,308)	(376,435)	63,720	221,932
Ending balance (in shares) at Sep. 30, 2024		65,235
Beginning balance at Jun. 30, 2024	3,757,761	$ 660	3,836,751	(128,655)	40,371	(279,763)	66,465	221,932
Beginning balance (in shares) at Jun. 30, 2024		64,814
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(10,526)					(9,541)	(985)
Other comprehensive income (loss)	(67,679)				(67,679)
Perpetual preferred unit dividends	(3,738)					(3,738)
DRSPP proceeds (in shares)		340
DRSPP proceeds	23,633	$ 3	23,630
Conversion of common units (shares)		77
Conversion of units in the Operating Partnership for common stock	0
Reallocation of noncontrolling interest in the Operating Partnership	(34,923)					(34,923)
Deferred compensation plan and stock awards, net of forfeitures and tax withholdings (in shares)		4
Deferred Compensation Plan and Stock Award, Net	5,707		5,707
Cash distributions to noncontrolling interests	(1,760)						(1,760)
Cash distributions declared	(48,470)					(48,470)
Ending balance at Sep. 30, 2024	$ 3,620,005	$ 663	$ 3,866,088	$ (128,655)	$ (27,308)	$ (376,435)	$ 63,720	$ 221,932
Ending balance (in shares) at Sep. 30, 2024		65,235