Consolidated Statements of Equity - USD ($) $ in Thousands		Total	Common Stock		Additional Paid-in Capital	Accumulated Other Comprehensive Income	Distributions in Excess of Earnings	Non-controlling Interests	Common Stock	Common Stock Common Stock	Common Stock Additional Paid-in Capital	Series A Preferred Stock	Series A Preferred Stock Preferred Stock	Series A Preferred Stock Distributions in Excess of Earnings	Series D Preferred Stock	Series D Preferred Stock Preferred Stock	Series D Preferred Stock Additional Paid-in Capital	Series D Preferred Stock Distributions in Excess of Earnings	Series L Preferred Stock Preferred Stock
Beginning balance (in shares) at Dec. 31, 2018			14,598,357	[1]									1,281,804						8,080,740
Beginning 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]
Stock-based compensation expense		38			38
Common dividends	[1]	(5,474)					(5,474)
Issuance of Series A Preferred Warrants		9			9
Dividends to holders of Preferred Stock												$ (1,010)		$ (1,010)
Reclassification of Series A Preferred Stock to permanent equity (in shares)													389,577
Reclassification of Series A Preferred Stock to permanent equity		8,890			(822)								$ 9,712
Redemption of Series A Preferred Stock (in shares)													(1,500)
Redemption of Series A Preferred Stock		(38)			(1)								$ (37)
Other comprehensive income (loss)		(1,806)				(1,806)
Net (loss) income		291,623					291,797	(174)
Ending balance (in shares) at Mar. 31, 2019			14,598,357	[1]									1,669,881						8,080,740
Ending balance at Mar. 31, 2019		909,507	$ 44	[1]	789,578	0	(151,570)	663					$ 41,541						$ 229,251
Beginning balance (in shares) at Dec. 31, 2018			14,598,357	[1]									1,281,804						8,080,740
Beginning 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]
Reclassification of Series A Preferred Stock to permanent equity		19,715
Redeemable Preferred Stock deemed dividends		0
Other comprehensive income (loss)		(1,806)
Net (loss) income		344,190
Ending balance (in shares) at Jun. 30, 2019			14,601,913	[1]									2,142,676						8,080,740
Ending balance at Jun. 30, 2019		966,260	$ 44	[1]	788,655	0	(105,634)	617					$ 53,327						$ 229,251
Beginning balance (in shares) at Mar. 31, 2019			14,598,357	[1]									1,669,881						8,080,740
Beginning balance at Mar. 31, 2019		909,507	$ 44	[1]	789,578	0	(151,570)	663					$ 41,541						$ 229,251
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to noncontrolling interests		(47)						(47)
Stock-based compensation expense (in shares)	[1]		3,556
Stock-based compensation expense		44			44
Common dividends	[1]	(5,476)					(5,476)
Issuance of Series A Preferred Warrants		31			31
Dividends to holders of Preferred Stock												(1,150)		(1,150)
Reclassification of Series A Preferred Stock to permanent equity (in shares)													474,462
Reclassification of Series A Preferred Stock to permanent equity		10,825			(1,002)								$ 11,827
Redemption of Series A Preferred Stock (in shares)													(1,667)
Redemption of Series A Preferred Stock		(41)			4		(4)						$ (41)
Other comprehensive income (loss)		0
Net (loss) income		52,567					52,566	1
Ending balance (in shares) at Jun. 30, 2019			14,601,913	[1]									2,142,676						8,080,740
Ending balance at Jun. 30, 2019		966,260	$ 44	[1]	788,655	$ 0	(105,634)	617					$ 53,327						$ 229,251
Beginning balance (in shares) at Dec. 31, 2019			14,602,149										2,837,094			0			5,387,160
Beginning balance at Dec. 31, 2019		278,195	$ 15		794,825		(740,617)	505					$ 70,633			$ 0			$ 152,834
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		56			56
Common dividends		(1,095)					(1,095)
Issuance of Series A Preferred Warrants		28			28
Dividends to holders of Preferred Stock												(3,252)		(3,252)	$ (3)			$ (3)
Issuance of Stock (in shares)																5,980
Issuance of Stock		145			(5)											$ 150
Reclassification of Series A Preferred Stock to permanent equity (in shares)													304,274
Reclassification of Series A Preferred Stock to permanent equity		6,948			(640)								$ 7,588
Redeemable Preferred Stock deemed dividends		(161)					(161)
Redemption of Series A Preferred Stock (in shares)													(2,452)
Redemption of Series A Preferred Stock		(66)			5		(10)						$ (61)
Net (loss) income		(1,256)					(1,260)	4
Ending balance (in shares) at Mar. 31, 2020			14,602,149										3,138,916			5,980			5,387,160
Ending balance at Mar. 31, 2020		279,539	$ 15		794,269		(746,398)	509					$ 78,160			$ 150			$ 152,834
Beginning balance (in shares) at Dec. 31, 2019			14,602,149										2,837,094			0			5,387,160
Beginning balance at Dec. 31, 2019		278,195	$ 15		794,825		(740,617)	505					$ 70,633			$ 0			$ 152,834
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of Series A Preferred Stock to permanent equity		16,687
Redeemable Preferred Stock deemed dividends		(213)
Other comprehensive income (loss)		0
Net (loss) income		(5,297)
Ending balance (in shares) at Jun. 30, 2020			14,827,410										3,560,448			6,900			5,387,160
Ending balance at Jun. 30, 2020		284,393	$ 15		795,795		(753,550)	466					$ 88,660			$ 173			$ 152,834
Beginning balance (in shares) at Mar. 31, 2020			14,602,149										3,138,916			5,980			5,387,160
Beginning balance at Mar. 31, 2020		279,539	$ 15		794,269		(746,398)	509					$ 78,160			$ 150			$ 152,834
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to noncontrolling interests		(45)						(45)
Stock-based compensation expense (in shares)			21,912
Stock-based compensation expense		56			56
Common dividends		(1,112)					(1,112)
Dividends to holders of Preferred Stock												$ (1,886)		$ (1,886)	(3)			$ (3)
Issuance of Stock (in shares)										203,349						920
Issuance of Stock									$ 2,359		$ 2,359				$ 22	$ 23	$ (1)
Reclassification of Series A Preferred Stock to permanent equity (in shares)													427,064
Reclassification of Series A Preferred Stock to permanent equity		9,739			(899)								$ 10,638
Redeemable Preferred Stock deemed dividends		(52)					(52)
Redemption of Series A Preferred Stock (in shares)													(5,532)
Redemption of Series A Preferred Stock		(183)			11		(56)						$ (138)
Other comprehensive income (loss)		0
Net (loss) income		(4,041)					(4,043)	2
Ending balance (in shares) at Jun. 30, 2020			14,827,410										3,560,448			6,900			5,387,160
Ending balance at Jun. 30, 2020		$ 284,393	$ 15		$ 795,795		$ (753,550)	$ 466					$ 88,660			$ 173			$ 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.