Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Series B Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Distributions Greater than Net Income [Member]
Beginning balance at Dec. 31, 2017	$ 73,548			$ 73,548
Beginning balance, shares at Dec. 31, 2017			100
Net income (loss)	(8,206)			(8,206)
Cash dividends declared and paid to common stockholder	(10,000)			(10,000)
Preferred dividends earned	(3,334)			(3,334)
Ending balance at Jun. 30, 2018	52,008			52,008
Ending balance, shares at Jun. 30, 2018			100
Beginning balance at Mar. 31, 2018	68,435			68,435
Beginning balance, shares at Mar. 31, 2018			100
Net income (loss)	(8,552)			(8,552)
Cash dividends declared and paid to common stockholder	(6,000)			(6,000)
Preferred dividends earned	(1,875)			(1,875)
Ending balance at Jun. 30, 2018	52,008			52,008
Ending balance, shares at Jun. 30, 2018			100
Beginning balance at Dec. 31, 2018	$ 30,068			30,068
Beginning balance, shares at Dec. 31, 2018	0		100
Net income (loss)	$ 7,135				$ 7,135
Contributions	42,003			42,003
Cash dividends declared and paid to common stockholder	(33,515)			(26,380)	(7,135)
Preferred dividends earned	(3,878)			(3,878)
Ending balance at Jun. 30, 2019	41,813			41,813
Ending balance, shares at Jun. 30, 2019			100
Beginning balance at Mar. 31, 2019	3,379			3,379
Beginning balance, shares at Mar. 31, 2019			100
Net income (loss)	5,432			17	5,415
Contributions	40,003			40,003
Cash dividends declared and paid to common stockholder	(5,415)				$ (5,415)
Preferred dividends earned	(1,586)			(1,586)
Ending balance at Jun. 30, 2019	$ 41,813			$ 41,813
Ending balance, shares at Jun. 30, 2019			100