CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Series C Preferred Stock	Series E Preferred Units	PREFERRED SHARES	COMMON SHARES	COMMON SHARES Series E Preferred Units	ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME	ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME Series C Preferred Stock	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	NONCONTROLLING INTERESTS	NONCONTROLLING INTERESTS Series E Preferred Units
Beginning balance at Dec. 31, 2020	$ 672,823			$ 93,530	$ 968,263		$ (427,681)		$ (15,905)	$ 54,616
Beginning balance (in shares) at Dec. 31, 2020					13,027
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to controlling interests and noncontrolling interests	6,224						7,179			(955)
Change in fair value of derivatives	10,121								10,121
Distributions - common shares and units	(31,259)						(29,368)			(1,891)
Distributions - Series C preferred shares	(4,821)	$ (4,821)						$ (4,821)
Distributions - Series E preferred stock			$ (585)								$ (585)
Share-based compensation, net of forfeitures (in shares)					28
Share-based compensation, net of forfeitures	2,088				$ 2,088
Sale of common shares, net (in shares)					1,095
Sale of common shares, net	85,864				$ 85,864
Issuance of units			217,513			$ 44,905					172,608
Redemption of units for common shares (in shares)					131
Redemption of units for common shares	0				$ (2,815)					2,815
Change in redemption value of Series D preferred units	(5,025)				(5,025)
Other	(1,263)				(1,150)					(113)
Ending balance at Sep. 30, 2021	951,680			93,530	$ 1,092,130		(454,691)		(5,784)	226,495
Ending balance (in shares) at Sep. 30, 2021					14,281
Beginning balance at Jun. 30, 2021	735,886			93,530	$ 1,033,940		(433,310)		(12,064)	53,790
Beginning balance (in shares) at Jun. 30, 2021					14,045
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to controlling interests and noncontrolling interests	(11,400)						(9,492)			(1,908)
Change in fair value of derivatives	6,280								6,280
Distributions - common shares and units	(10,891)						(10,282)			(609)
Distributions - Series C preferred shares	(1,607)	(1,607)						(1,607)
Distributions - Series E preferred stock			(585)								(585)
Share-based compensation, net of forfeitures (in shares)					1
Share-based compensation, net of forfeitures	600				$ 600
Sale of common shares, net (in shares)					199
Sale of common shares, net	19,508				$ 19,508
Issuance of units			217,513			$ 44,905					172,608
Redemption of units for common shares (in shares)					36
Redemption of units for common shares	0				$ (3,233)					3,233
Change in redemption value of Series D preferred units	(3,563)				(3,563)
Other	(61)				(27)					(34)
Ending balance at Sep. 30, 2021	951,680			93,530	$ 1,092,130		(454,691)		(5,784)	226,495
Ending balance (in shares) at Sep. 30, 2021					14,281
Beginning balance at Dec. 31, 2021	996,280			93,530	$ 1,157,255		(474,318)		(4,435)	224,248
Beginning balance (in shares) at Dec. 31, 2021					15,016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to controlling interests and noncontrolling interests	(15,556)						(12,103)			(3,453)
Change in fair value of derivatives	2,277								2,277
Distributions - common shares and units	(35,832)						(33,663)			(2,169)
Distributions - Series C preferred shares	(4,821)	(4,821)						(4,821)
Distributions - Series E preferred stock			(5,272)								(5,272)
Share-based compensation, net of forfeitures (in shares)					25
Share-based compensation, net of forfeitures	1,908				$ 1,908
Sale of common shares, net (in shares)					321
Sale of common shares, net	31,499				$ 31,499
Issuance of units	22,882				$ 13,023					9,859
Redemption of units for common shares (in shares)					19
Redemption of units for common shares	0				$ (831)					831
Redemption of units for cash	(3,837)									(3,837)
Shares repurchased	(359)				$ (359)
Shares repurchased (in shares)					(5)
Change in redemption value of Series D preferred units	8,771				$ 8,771
Shares withheld for taxes	(1,280)				(1,280)
Other	(374)				(254)					(120)
Ending balance at Sep. 30, 2022	996,286			93,530	$ 1,209,732		(524,905)		(2,158)	220,087
Ending balance (in shares) at Sep. 30, 2022					15,376
Beginning balance at Jun. 30, 2022	1,010,618			93,530	$ 1,207,849		(511,552)		(2,362)	223,153
Beginning balance (in shares) at Jun. 30, 2022					15,373
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to controlling interests and noncontrolling interests	(930)						(523)			(407)
Change in fair value of derivatives	204								204
Distributions - common shares and units	(11,938)						(11,223)			(715)
Distributions - Series C preferred shares	(1,607)	$ (1,607)						$ (1,607)
Distributions - Series E preferred stock			$ (1,757)								$ (1,757)
Share-based compensation, net of forfeitures	709				$ 709
Redemption of units for common shares (in shares)					8
Redemption of units for common shares	0				$ (456)					456
Redemption of units for cash	(607)									(607)
Shares repurchased	(359)				$ (359)
Shares repurchased (in shares)					(5)
Change in redemption value of Series D preferred units	2,067				$ 2,067
Other	(114)				(78)					(36)
Ending balance at Sep. 30, 2022	$ 996,286			$ 93,530	$ 1,209,732		$ (524,905)		$ (2,158)	$ 220,087
Ending balance (in shares) at Sep. 30, 2022					15,376