Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Loss - Summary of Change in Noncontrolling Interest (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		$ 446,300
Employee and trustee stock compensation, net		12,794	$ 12,753	$ 11,122
Noncontrolling interest distributions		(36,751)	(80,186)	(79,838)
Noncontrolling interest contributions		51,118	59,612	109,428
Net income (loss)		8,139	(1,749)	(65,251)
Other comprehensive (loss) income - unrealized gain on valuation of swap agreements		33,232	10,963	96,858
Reclassification of realized interest on swap agreements		30,336	33,647	(8,232)
Reclassification of redeemable noncontrolling interests				(76,569)
Ending Balance		436,017	446,300
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		446,300	489,364	628,322
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership		(20,929)	(2,521)	(3,945)
Distributions declared per Common OP Unit		(5,639)	(5,352)	(5,094)
Acquisition of noncontrolling interest asset	[1]			(91,811)
City Point Loan Advances			0	0
City Point Loan accrued interest		0	0	0
Employee and trustee stock compensation, net		11,519	11,064	10,000
Noncontrolling interest distributions		(36,751)	(80,186)	(79,838)
Noncontrolling interest contributions		51,118	59,612	109,428
Net income (loss)		(5,596)	(13,383)	(24,270)
Other comprehensive (loss) income - unrealized gain on valuation of swap agreements		8,065	5,402	20,208
Reclassification of realized interest on swap agreements		(11,377)	(13,711)	(1,851)
Reclassification of redeemable noncontrolling interests	[2]			(76,569)
Reallocation of noncontrolling interests	[3]	(693)	(3,989)	1,082
Ending Balance		436,017	446,300	489,364
Noncontrolling Interests | Noncontrolling Interests in Partially-Owned Affiliates
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	[4]	346,582	389,810	534,202
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership	[4]	0	0	0
Distributions declared per Common OP Unit	[4]	0	0	0
Acquisition of noncontrolling interest asset	[1],[4]			(91,811)
City Point Loan Advances	[4]		0	0
City Point Loan accrued interest	[4]	0	0	0
Employee and trustee stock compensation, net	[4]	0	0	0
Noncontrolling interest distributions	[4]	(36,751)	(80,186)	(79,838)
Noncontrolling interest contributions	[4]	51,118	59,612	109,428
Net income (loss)	[4]	(7,005)	(15,168)	(22,962)
Other comprehensive (loss) income - unrealized gain on valuation of swap agreements	[4]	7,564	6,015	15,567
Reclassification of realized interest on swap agreements	[4]	(11,221)	(13,501)	(1,793)
Reclassification of redeemable noncontrolling interests	[2],[4]			(76,569)
Reallocation of noncontrolling interests	[3],[4]	0	0	0
Ending Balance	[4]	350,287	346,582	389,810
Noncontrolling Interests | Operating Partnership, as General Partner or Managing Member
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	[5]	99,718	99,554	94,120
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership	[5]	(20,929)	(2,521)	(3,945)
Distributions declared per Common OP Unit	[5]	(5,639)	(5,352)	(5,094)
Acquisition of noncontrolling interest asset	[1],[5]			0
City Point Loan Advances	[5]		0	0
City Point Loan accrued interest	[5]	0	0	0
Employee and trustee stock compensation, net	[5]	11,519	11,064	10,000
Noncontrolling interest distributions	[5]	0	0	0
Noncontrolling interest contributions	[5]	0	0	0
Net income (loss)	[5]	1,409	1,785	(1,308)
Other comprehensive (loss) income - unrealized gain on valuation of swap agreements	[5]	501	(613)	4,641
Reclassification of realized interest on swap agreements	[5]	(156)	(210)	(58)
Reclassification of redeemable noncontrolling interests	[2],[5]			0
Reallocation of noncontrolling interests	[3],[5]	(693)	(3,989)	1,082
Ending Balance	[5]	85,730	99,718	99,554
Redeemable NonControlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	[6]	50,339	67,664	0
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership	[6]	0	0	0
Distributions declared per Common OP Unit	[6]	0	0	0
Acquisition of noncontrolling interest asset	[1],[6]			0
City Point Loan Advances	[6]		(796)	(65,391)
City Point Loan accrued interest	[6]	(11,825)	(9,350)	(3,923)
Employee and trustee stock compensation, net	[6]	0	0	0
Noncontrolling interest distributions	[6]	(16)	(50)	0
Noncontrolling interest contributions	[6]	0	1,110	65,945
Net income (loss)	[6]	(7,915)	(8,239)	(5,536)
Other comprehensive (loss) income - unrealized gain on valuation of swap agreements	[6]	0	0	0
Reclassification of realized interest on swap agreements	[6]	0	0	0
Reclassification of redeemable noncontrolling interests	[2],[6]			76,569
Reallocation of noncontrolling interests	[3],[6]	0	0	0
Ending Balance	[6]	$ 30,583	$ 50,339	$ 67,664

[1] Represents the acquisition of the 11.67% noncontrolling interest in Fund II acquired on June 27, 2022 for $18.5 million and of a 21.67% interest in Fund II on August 1, 2022 for $5.8 million (Note 1).

[2] Represents the reclassification of redeemable noncontrolling interests related to the City Point Loan in the third quarter of 2022

[3] Adjustment reflects the difference between the fair value of the consideration received or paid and the book value of the Common Shares, Common OP Units, Preferred OP Units, and LTIP Units involving changes in ownership.

[4] Noncontrolling interests in partially-owned affiliates comprise third-party interests in Funds II, III, IV and V, and seven other subsidiaries.

[5] Noncontrolling interests in the Operating Partnership are comprised of (i) the limited partners’ 2,054,386, 2,855,574, and 3,062,108 Common OP Units at December 31, 2024, 2023 and 2022, respectively; (ii) 188 Series A Preferred OP Units at December 31, 2024, 2023 and 2022; (iii) 66,519 Series C Preferred OP Units at December 31, 2024 and 126,384 at December 31, 2023 and 2022; and (iv) 4,667,742, 4,247,054, and 3,512,414 LTIP units at December 31, 2024, 2023 and 2022, respectively, as discussed in the Amended and Restated 2020 Plan (Note 13). Distributions declared for Preferred OP Units are reflected in net income (loss) in the table above.

[6] Redeemable noncontrolling interests comprise third-party interests that have been granted put rights, as further described below.