Condensed Consolidated and Combined Statements of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Cumulative Distributions in Excess of Earnings [Member]	Invested Equity [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning balance at Dec. 31, 2013	$ 162,689				$ 164,517	$ (1,828)
Beginning balance, shares at Dec. 31, 2013		1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net capital contribution from Ensign	4,356				4,356
Unrealized gain on interest rate swap	167					167
Reclassification adjustment on interest rate swap	1,661					$ 1,661
Net capital distribution to Ensign	(10,475)				(10,475)
Reclassification of invested equity to common stock and additional paid-in capital in conjunction with the Spin-Off	0	$ 222	$ 146,980		(147,202)
Reclassification of invested equity to common stock and additional paid in capital in conjunction with the Spin-Off, shares		22,227,358
Vesting of restricted common stock	0	$ 1	(1)
Vesting of restricted common stock, shares		48,550
Amortization of stock-based compensation	154		154
Special dividend at $5.88 per share	(33,001)	$ 90	98,908	$ (131,999)
Special dividend, shares		8,974,249
Common dividend ($0.125 and $0.48 per share for the twelve months ended 12/31/2014 and nine months ended 9/30/2015, respectively)	(3,946)			(3,946)
Net income (loss)	(8,143)			3,053	$ (11,196)
Ending balance at Dec. 31, 2014	113,462	$ 313	246,041	(132,892)
Ending balance, shares at Dec. 31, 2014		31,251,157
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net	162,963	$ 163	162,800
Vesting of restricted common stock, net of shares withheld for employee taxes	(145)	$ 1	(146)
Vesting of restricted common stock, net of shares withheld for employee taxes, shares		69,795
Issuance of common stock, net, shares		16,330,000
Unrealized gain on interest rate swap	0
Reclassification adjustment on interest rate swap	0
Amortization of stock-based compensation	1,095		1,095
Common dividend ($0.125 and $0.48 per share for the twelve months ended 12/31/2014 and nine months ended 9/30/2015, respectively)	(17,844)			(17,844)
Net income (loss)	5,031			5,031
Ending balance at Sep. 30, 2015	$ 264,562	$ 477	$ 409,790	$ (145,705)
Ending balance, shares at Sep. 30, 2015		47,650,952