Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Cumulative-effect adjustment upon adoption of ASU 2016-13 (Note 2)	Total Stockholders' Equity	Total Stockholders' Equity Cumulative-effect adjustment upon adoption of ASU 2016-13 (Note 2)	Common Stock	Preferred Stock	Additional Paid-in Capital	Distributions in Excess of Earnings	Distributions in Excess of Earnings Cumulative-effect adjustment upon adoption of ASU 2016-13 (Note 2)	Noncontrolling Interests	Series A1 Preferred Stock	Series A1 Preferred Stock Total Stockholders' Equity	Series A1 Preferred Stock Preferred Stock	Series A1 Preferred Stock Additional Paid-in Capital	Series A1 Preferred Stock Distributions in Excess of Earnings	Series D Preferred Stock	Series D Preferred Stock Total Stockholders' Equity	Series D Preferred Stock Preferred Stock	Series D Preferred Stock Additional Paid-in Capital	Series D Preferred Stock Distributions in Excess of Earnings	Series L Preferred Stock	Series L Preferred Stock Total Stockholders' Equity	Series L Preferred Stock Preferred Stock	Series L Preferred Stock Additional Paid-in Capital	Series L Preferred Stock Distributions in Excess of Earnings	Series A Preferred Stock	Series A Preferred Stock Total Stockholders' Equity	Series A Preferred Stock Preferred Stock	Series A Preferred Stock Additional Paid-in Capital	Series A Preferred Stock Distributions in Excess of Earnings
Beginning balance (in shares) at Dec. 31, 2021					23,369,331
Beginning balance at Dec. 31, 2021	$ 373,549		$ 373,204		$ 24	$ 310,661	$ 866,746	$ (804,227)		$ 345			$ 0					$ 1,396					$ 152,834					$ 156,431
Beginning balance (in shares) at Dec. 31, 2021						11,715,354							0					56,857					5,387,160					6,271,337
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions to noncontrolling interests	5									5
Distributions to noncontrolling interests	(4)									(4)
Stock-based compensation expense (in shares)					30,984
Stock-based compensation expense	202		202				202
Repurchase of common stock (in shares)					(662,462)
Repurchase of common stock	(4,715)		(4,715)		$ (1)		(4,714)
Common dividends	(7,838)		(7,838)					(7,838)
Issuance of A1 Preferred Stock (in shares)													5,966,077
Issuance of A1 Preferred Stock											$ 135,391	$ 135,391	$ 147,761	$ (12,370)
Redemption of Preferred Stock (in shares)													(9,930)					(8,000)					(5,387,160)					(336,753)
Redemption of Preferred Stock											(227)	(227)	$ (247)	23	$ (3)	$ (180)	$ (180)	$ (196)	$ 7	$ 9			$ (152,834)			$ (8,032)	$ (8,032)	$ (8,381)	$ 789	$ (440)
Dividends to holders of Series Preferred Stock											$ (2,463)	(2,463)			(2,463)	$ (62)	(62)			(62)	$ (7,329)	$ (7,329)			$ (7,329)	(8,700)	(8,700)			(8,700)
Repurchase and Redemption of Series L Preferred Stock (in shares)																							(5,387,160)
Repurchase and Redemption of Series L Preferred Stock																					$ (151,256)	$ (151,256)	$ (152,834)	$ 14,270	$ (12,692)
Reclassification of Series A preferred Stock to permanent equity (in shares)																												1,630,765
Reclassification of Series A Preferred Stock to permanent equity	37,766																									$ 37,766	37,766	$ 40,998	(3,232)
Redeemable Preferred Stock deemed dividends	(19)		(19)					(19)
Net (loss) income	$ 5,945		5,918					5,918		27
Ending balance (in shares) at Dec. 31, 2022	22,737,853				22,737,853
Ending balance at Dec. 31, 2022	$ 362,033	$ (619)	361,660	$ (619)	$ 23	$ 337,762	861,721	(837,846)	$ (619)	373			$ 147,514					$ 1,200					$ 0					$ 189,048
Ending balance (in shares) at Dec. 31, 2022						13,570,353					5,956,147		5,956,147			48,857		48,857					0			7,565,349		7,565,349
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update	Accounting Standards Update 2016-13 [Member]
Preferred dividends, per share amount (in usd per share)											$ 1.125					$ 1.413					$ 1.560					$ 1.375
Dividends paid per common share (in usd per share)	$ 0.340
Contributions to noncontrolling interests	$ 5,002									5,002
Distributions to noncontrolling interests	(38)									(38)
Stock-based compensation expense (in shares)					48,888
Stock-based compensation expense	$ 183		183				183
Repurchase of common stock (in shares)	(662,462)
Repurchase of common stock	$ (4,715)
Common dividends	(7,740)		(7,740)					(7,740)
Issuance of A1 Preferred Stock (in shares)													4,507,292
Issuance of A1 Preferred Stock											$ 101,729	101,729	$ 111,520	(9,791)
Redemption of Preferred Stock (in shares)													(85,096)					(410)										(823,681)
Redemption of Preferred Stock											(2,025)	(2,025)	$ (2,099)	$ 173	(99)	$ (10)	(10)	$ (10)								$ (20,182)	(20,182)	$ (20,505)	1,735	(1,412)
Dividends to holders of Series Preferred Stock											$ (14,825)	$ (14,825)			$ (14,825)	$ (69)	$ (69)			$ (69)						(10,830)	(10,830)			$ (10,830)
Reclassification of Series A preferred Stock to permanent equity (in shares)																												690,171
Reclassification of Series A Preferred Stock to permanent equity	15,616																									$ 15,616	$ 15,616	$ 17,161	$ (1,545)
Net (loss) income	$ (51,456)		(48,485)					(48,485)		(2,971)
Ending balance (in shares) at Dec. 31, 2023	22,786,741				22,786,741
Ending balance at Dec. 31, 2023	$ 376,769		$ 374,403		$ 23	$ 443,829	$ 852,476	$ (921,925)		$ 2,366			$ 256,935					$ 1,190					$ 0					$ 185,704
Ending balance (in shares) at Dec. 31, 2023						17,858,629					10,378,343		10,378,343			48,447		48,447					0			7,431,839		7,431,839
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends, per share amount (in usd per share)											$ 1.801					$ 1.413										$ 1.375
Dividends paid per common share (in usd per share)	$ 0.340