Consolidated and Combined Statements of Equity (USD $) In Thousands, except Share data	Total	Predecessor [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Distributions in Excess of Earnings [Member]	Predecessor Deficit [Member]	Predecessor Deficit [Member] Predecessor [Member]	Total Stockholders' Deficit [Member]	Total Stockholders' Deficit [Member] Predecessor [Member]	Noncontrolling Interests [Member]
Beginning balance at Dec. 31, 2011		$ (37,399)					$ (37,399)		$ (37,399)
Net income	8,897	8,897					8,897		8,897
Contributions		1,655					1,655		1,655
Distributions		(14,494)					(14,494)		(14,494)
Ending balance at Dec. 31, 2012		(41,341)					(41,341)		(41,341)
Net income		2,020					2,020		2,020
Contributions		2,218					2,218		2,218
Distributions		(12,399)					(12,399)		(12,399)
Ending balance at May. 12, 2013		(49,502)					(49,502)		(49,502)
Beginning balance at Dec. 31, 2012		(41,341)
Vesting of restricted stock awards	1,249
Net income	14,453	(2,020)
Ending balance at Dec. 31, 2013	105,521
Ending balance, shares at Dec. 31, 2013	19,163,413
Beginning balance at May. 12, 2013
Net proceeds from sale of common stock	192,183		190	191,993				192,183
Net proceeds from sale of common stock (in shares)			19,003,750
Formation transactions	(37,954)			(191,993)	(47,605)	49,502		(190,096)		152,142
Restricted stock award grants			2	(2)
Restricted stock award grants (in shares)			160,540
Vesting of restricted stock awards	1,249			1,249				1,249
Restricted stock award forfeitures	0		0	0	0	0		0		0
Restricted stock award forfeitures (in shares)			(877)
Net income	12,433				7,336			7,336		5,097
Dividends and distributions declared	(12,888)				(7,665)			(7,665)		(5,223)
Ending balance at Dec. 31, 2013	105,521		192	1,247	(47,934)			(46,495)		152,016
Ending balance, shares at Dec. 31, 2013	19,163,413		19,163,413
Net proceeds from sale of common stock	49,299		57	49,242				49,299
Net proceeds from sale of common stock (in shares)			5,750,000
Restricted stock award grants			1	(1)
Restricted stock award grants (in shares)			110,642
Vesting of restricted stock awards	1,285			1,285				1,285
Restricted stock award forfeitures	0		0	0	0	0		0		0
Restricted stock award forfeitures (in shares)			(1,354)
Acquisitions of real estate investments in exchange for common units	16,351									16,351
Acquisitions of real estate investments in exchange for common units (in shares)	0		0	0	0	0		0		0
Exchange of owners' equity for common units				(301)				(301)		301
Net income	12,759				7,691			7,691		5,068
Dividends and distributions declared	(23,309)				(14,170)			(14,170)		(9,139)
Ending balance at Dec. 31, 2014	$ 161,906		$ 250	$ 51,472	$ (54,413)			$ (2,691)		$ 164,597
Ending balance, shares at Dec. 31, 2014	25,022,701		25,022,701