Consolidated Statements of Equity - USD ($) $ in Thousands		Total	Common Stock		Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Distributions In Excess of Earnings	Noncontrolling Interests	Series A Preferred Stock	Series A Preferred Stock Preferred Stock	Series A Preferred Stock Distributions In Excess of Earnings	Series L Preferred Stock	Series L Preferred Stock Preferred Stock	Series L Preferred Stock Additional Paid-in Capital	Series L Preferred Stock Distributions In Excess of Earnings
Balance (in shares) at Dec. 31, 2016			28,016,025	[1]						0			0
Beginning balance at Dec. 31, 2016		$ 966,589	$ 84	[1]	$ 1,566,073	$ (509)	$ (599,971)	$ 912		$ 0			$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to noncontrolling interests		(43)						(43)
Stock based compensation expense (in shares)	[1]		3,195
Stock-based compensation expense		154			154
Share repurchases (in shares)	[1]		(13,424,241)
Share repurchases		(886,010)	$ (40)	[1]	(752,218)		(133,752)
Special cash dividends declared to certain common stockholders	[1]	(6,447)					(6,447)
Common dividends	[1]	(38,327)					(38,327)
Issuance of Series A Preferred Warrants		126			126
Issuance of Series L Preferred Stock (in shares)													8,080,740
Issuance of Series L Preferred Stock												$ 207,845	$ 229,251	$ (21,406)
Dividends to holders of Series Preferred Stock		(490)					(490)
Reclassification of Series A to permanent equity (in shares)										61,013
Reclassification of Series A Preferred Stock to permanent equity		1,417			(101)					$ 1,518
Redemption of Series A Preferred Stock (in shares)										(421)
Redemption of Series A Preferred Stock		(7)			3					$ (10)
Other comprehensive income		2,140				2,140
Net income (loss)		379,758					379,737	21
Balance (in shares) at Dec. 31, 2017			14,594,979	[1]						60,592			8,080,740
Ending balance at Dec. 31, 2017		626,705	$ 44	[1]	792,631	1,631	(399,250)	890		$ 1,508			$ 229,251
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to noncontrolling interests		(74)						(74)
Stock based compensation expense (in shares)	[1]		3,378
Stock-based compensation expense		162			162
Common dividends	[1]	(21,895)					(21,895)
Issuance of Series A Preferred Warrants		73			73
Dividends to holders of Series Preferred Stock									$ (2,814)		$ (2,814)	(14,045)			$ (14,045)
Reclassification of Series A to permanent equity (in shares)										1,223,032
Reclassification of Series A Preferred Stock to permanent equity		27,887			(2,516)					$ 30,403
Redemption of Series A Preferred Stock (in shares)										(1,820)
Redemption of Series A Preferred Stock		(41)			4					$ (45)
Other comprehensive income		175				175
Net income (loss)		1,142					1,121	21
Balance (in shares) at Dec. 31, 2018			14,598,357	[1]						1,281,804			8,080,740
Ending balance at Dec. 31, 2018		617,275	$ 44	[1]	790,354	1,806	(436,883)	837		$ 31,866			$ 229,251
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions to noncontrolling interests		455						455
Distributions to noncontrolling interests		(522)						(522)
Extinguishment of noncontrolling interests		(113)						(113)
Stock based compensation expense (in shares)	[1]		3,880
Stock-based compensation expense		194			194
Retirement of fractional shares (in shares)	[1]		(88)
Retirement of fractional shares		(1)			(1)
Change in par value		0	$ (29)	[1]	29
Special cash dividends declared to certain common stockholders		(613,294)					(613,294)
Common dividends	[1]	(13,140)					(13,140)
Issuance of Series A Preferred Warrants		382			382
Dividends to holders of Series Preferred Stock									$ (4,945)		$ (4,945)	(12,150)			(12,150)
Repurchase of Series L Preferred Stock (in shares)													(2,693,580)
Repurchase of Series L Preferred Stock												$ (75,155)	$ (76,417)	$ 7,135	$ (5,873)
Reclassification of Series A to permanent equity (in shares)										1,561,746
Reclassification of Series A Preferred Stock to permanent equity		35,649			(3,278)					$ 38,927
Redemption of Series A Preferred Stock (in shares)										(6,456)
Redemption of Series A Preferred Stock		(155)			10		(5)			$ (160)
Other comprehensive income		(1,806)				(1,806)
Net income (loss)		345,521					345,673	(152)
Balance (in shares) at Dec. 31, 2019			14,602,149	[1]						2,837,094			5,387,160
Ending balance at Dec. 31, 2019		$ 278,195	$ 15	[1]	$ 794,825	$ 0	$ (740,617)	$ 505		$ 70,633			$ 152,834

[1] All share and per share amounts have been adjusted to give retroactive effect to the one-for-three reverse stock split of our common stock effected on September 3, 2019.