Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Redeemable Noncontrolling Interests	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Dividends in Excess of Cumulative Earnings	Total Shareholders' Equity	Noncontrolling Interests
Beginning balance at Dec. 31, 2020	$ 534,297		$ 25	$ 1,966	$ 1,986,269	$ 18	$ (1,456,435)	$ 531,843	$ 2,454
Beginning balance of redeemable noncontrolling partnership interests at Dec. 31, 2020		$ (265)
Net loss	(28,067)						(26,763)	(26,763)	(1,304)
Net loss		(213)
Other comprehensive income (loss)	3					3		3
Cancellation of shares of restricted common stock	(1)			(1)				(1)
Amortization of deferred compensation	304				304			304
Performance stock units	93				93			93
Distributions to noncontrolling interests	(11)								(11)
Ending balance at Mar. 31, 2021	506,618		$ 25	1,965	1,986,666	21	(1,483,198)	505,479	1,139
Ending balance of redeemable noncontrolling partnership interests at Mar. 31, 2021		$ (478)
Beginning balance at Dec. 31, 2021	401,100			21	547,726	(3)	(151,545)	396,199	4,901
Net loss	(43,223)						(40,722)	(40,722)	(2,501)
Other comprehensive income (loss)	42					42		42
Shared-based compensation expense	2,743				2,743			2,743
Conversion of exchangeable notes into shares of common stock	152,538			11	152,527			152,538
Contributions from noncontrolling interests	143								143
Ending balance at Mar. 31, 2022	$ 513,343			$ 32	$ 702,996	$ 39	$ (192,267)	$ 510,800	$ 2,543