CONSOLIDATED STATEMENTS OF BENEFICIARIES’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Rabbi Trust/Deferred Compensation Shares	Additional Paid-in Capital	Common Shares in Grantor Trust	Cumulative Earnings	Accumulated Other Comprehensive Income (Loss)	Cumulative Distributions	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2022		171,569,807	1,179,643
Beginning balance at Dec. 31, 2022	$ 1,633,334	$ 1,716	$ 19,601	$ 3,153,229	$ (19,601)	$ 1,176,195	$ 3,897	$ (2,709,405)	$ 7,702
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(5,276)					(5,259)			(17)
Other comprehensive income (loss)	(5,291)						(5,307)		16
Share-based compensation activity (in shares)		171,318	22,449
Share-based compensation activity	3,371	$ 1		3,370
Share Issuance from/(to) Deferred Compensation Plan (in shares)		(13,422)	(48,733)
Share Issuance from/(to) Deferred Compensation Plan	(88)		$ 145	(88)	(145)
Reallocation of Noncontrolling interest	0			(4)					4
Distributions declared	(32,832)							(32,734)	(98)
Ending balance (in shares) at Mar. 31, 2023		171,727,703	1,153,359
Ending balance at Mar. 31, 2023	$ 1,593,218	$ 1,717	$ 19,746	3,156,507	(19,746)	1,170,936	(1,410)	(2,742,139)	7,607
Beginning balance (in shares) at Dec. 31, 2023	172,097,661	172,097,661	1,194,127
Beginning balance at Dec. 31, 2023	$ 1,324,157	$ 1,719	$ 19,965	3,163,949	(19,965)	979,406	(668)	(2,827,022)	6,773
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(16,414)					(16,368)			(46)
Other comprehensive income (loss)	6,026						6,007		19
Share-based compensation activity (in shares)		194,480	7,148
Share-based compensation activity	4,831	$ 2		4,829
Share Issuance from/(to) Deferred Compensation Plan (in shares)		(21,234)	(56,154)
Share Issuance from/(to) Deferred Compensation Plan	(100)		$ 31	(100)	(31)
Reallocation of Noncontrolling interest	0			(17)					17
Distributions declared	$ (26,254)							(26,177)	(77)
Ending balance (in shares) at Mar. 31, 2024	172,270,907	172,270,907	1,145,121
Ending balance at Mar. 31, 2024	$ 1,292,246	$ 1,721	$ 19,996	$ 3,168,661	$ (19,996)	$ 963,038	$ 5,339	$ (2,853,199)	$ 6,686