CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Thousands	Total	Revision of Prior Period, Accounting Standards Update, Adjustment [Member]	Class A Common Shares [Member]	Class B Common Shares [Member]	Common Stock [Member] Class A Common Shares [Member]	Common Stock [Member] Class B Common Shares [Member]	Preferred Stock [Member] Series A Preferred Shares [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Revision of Prior Period, Accounting Standards Update, Adjustment [Member]	Non-Controlling Interest [Member]
Beginning balance at Dec. 31, 2018	$ 1,150,458				$ 357	$ 13	$ 28	$ 1,124,504	$ (344,132)		$ 369,688
Beginning balance, shares at Dec. 31, 2018					35,668,000	1,322,000	2,800,000
Net (loss)	(90,603)								(59,397)		(31,206)
Cumulative effect of accounting change at Dec. 31, 2018		$ (1,286)								$ (1,286)
Common dividends and distributions declared	(14,026)								(8,996)		(5,030)
Preferred dividends declared	(4,900)								(4,900)
Vesting of restricted share units	(3,523)							(3,523)
Vesting of restricted share units, shares					(15,000)
Share-based compensation	7,250							7,250
Share class surrenders						$ (1)		1
Share class surrenders, shares						(79,000)
OP Unit exchanges					$ 12			21,489			(21,501)
OP Unit exchanges, shares					1,214,000
Ending balance at Dec. 31, 2019	1,043,370				$ 369	$ 12	$ 28	1,149,721	(418,711)		311,951
Ending balance, shares at Dec. 31, 2019					36,897,000	1,243,000	2,800,000
Net (loss)	(152,964)								(105,026)		(47,938)
Preferred dividends declared	(4,900)								(4,900)
Vesting of restricted share units					$ 1			(1)
Vesting of restricted share units, shares					97,000
Share-based compensation	(2,779)							(2,779)
Share class surrenders						$ (12)		12
Share class surrenders, shares						(1,243,000)
OP Unit exchanges					$ 19			30,307			(30,326)
OP Unit exchanges, shares					1,902,000
Ending balance at Dec. 31, 2020	882,727				$ 389		$ 28	1,177,260	(528,637)		233,687
Ending balance, shares at Dec. 31, 2020			38,896,428	0	38,896,000		2,800,000
Net (loss)	(38,985)								(28,149)		(10,836)
Cumulative effect of accounting change at Dec. 31, 2020	(528,637)
Preferred dividends declared	(4,900)								(4,900)
Vesting of restricted share units					$ 1			(1)
Vesting of restricted share units, shares					88,000
Share-based compensation	2,000							2,000
OP Unit exchanges					$ 46			61,789			(61,835)
OP Unit exchanges, shares					4,648,000
Contributions to consolidated variable interest entities	3,958								7,915		(3,957)
Ending balance at Dec. 31, 2021	$ 844,800				$ 436		$ 28	$ 1,241,048	$ (553,771)		$ 157,059
Ending balance, shares at Dec. 31, 2021			43,632,364		43,632,000		2,800,000