CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Series D Preferred Shares	Common Shares	Additional Paid in Capital	Cumulative Net Income	Cumulative Common Distributions	Cumulative Preferred Distributions	Noncontrolling Interest
Balance as of beginning of period (in shares) at Dec. 31, 2019		4,915,196	121,924,199
Balance as of beginning of period at Dec. 31, 2019	$ 3,245,872	$ 119,263	$ 1,219	$ 4,313,831	$ 3,363,654	$ (3,851,666)	$ (701,724)	$ 1,295
Increase (Decrease) in Stockholders' Equity
Net (loss) income	425,507				424,759			748
Repurchase of shares (in shares)			(711,000)
Repurchase of shares	(20,869)		$ (7)	(20,862)
Surrender of shares for tax withholding (in shares)			(183,466)
Surrender of shares for tax withholding	(6,012)		$ (2)	(6,010)
Share-based compensation (in shares)			472,787
Share-based compensation	3,303		$ 5	2,953				345
Distributions	(3,187)					(1,190)	(1,997)
Adjustment for noncontrolling interest				(4,646)				4,646
Balance as of end of period (in shares) at Mar. 31, 2020		4,915,196	121,502,520
Balance as of end of period at Mar. 31, 2020	3,644,614	$ 119,263	$ 1,215	4,285,266	3,788,413	(3,852,856)	(703,721)	7,034
Balance as of beginning of period (in shares) at Dec. 31, 2020		4,915,196	121,522,555
Balance as of beginning of period at Dec. 31, 2020	3,243,164	$ 119,263	$ 1,215	4,294,632	3,814,948	(4,283,668)	(709,712)	6,486
Increase (Decrease) in Stockholders' Equity
Net (loss) income	(10,038)				(10,018)			(20)
Surrender of shares for tax withholding (in shares)			(210,334)
Surrender of shares for tax withholding	(6,093)		$ (2)	(6,091)
Share-based compensation (in shares)			604,654
Share-based compensation	6,687		$ 6	6,405				276
Distributions	(2,102)					(85)	(1,997)	(20)
Adjustment for noncontrolling interest				280				(280)
Balance as of end of period (in shares) at Mar. 31, 2021		4,915,196	121,916,875
Balance as of end of period at Mar. 31, 2021	$ 3,231,618	$ 119,263	$ 1,219	$ 4,295,226	$ 3,804,930	$ (4,283,753)	$ (711,709)	$ 6,442