Consolidated and Combined Statement of Equity - USD ($) $ in Thousands	Total	Par Value	Additional Paid in Capital	Accumulated Deficit	Predecessor Equity	Total Shareholders’ and Predecessor Equity	Operating Partnership Noncontrolling interest	Partially Owned Properties Noncontrolling Interest	Total Non- Controlling Interests
Balance (Predecessor) at Dec. 31, 2012	$ 19,097				$ 19,068	$ 19,068		$ 29	$ 29
Increase (Decrease) in Partners' Capital [Roll Forward]
Net (loss) income | Predecessor	(576)				(712)	(712)		136	136
Transfer | Predecessor					36	36		(36)	(36)
Distributions | Predecessor	(420)				(211)	(211)		(209)	(209)
Balance (Predecessor) at Jul. 24, 2013	18,101				18,181	18,181		(80)	(80)
Balance (Predecessor) at Dec. 31, 2012	19,097				19,068	19,068		29	29
Increase (Decrease) in stockholders' Equity
Net income	(2,636)
Preferred distributions	0
Balance at Dec. 31, 2013	240,837	$ 215	$ 213,359	$ (8,670)		204,904	$ 35,310	623	35,933
Balance (Predecessor) at Jul. 24, 2013	18,101				18,181	18,181		(80)	(80)
Increase (Decrease) in stockholders' Equity
Net proceeds from sale of common shares	225,920	213	225,707			225,920
Formation transactions	(354)		35		$ (18,181)	(18,146)	18,181	(389)	17,792
Restricted share award grants	433	2	431			433
Dividends declared	(8,335)			(7,009)		(7,009)	(1,326)		(1,326)
Adjustment for noncontrolling interests ownership in Operating Partnership			(7,391)			(7,391)	7,391		7,391
Contributions	7,387		(5,423)			(5,423)	11,534	1,276	12,810
Distributions	(255)							(255)	(255)
Net income	(2,060)			(1,661)		(1,661)	(470)	71	(399)
Balance at Dec. 31, 2013	240,837	215	213,359	(8,670)		204,904	35,310	623	35,933
Increase (Decrease) in stockholders' Equity
Net proceeds from sale of common shares	350,385	272	350,113			350,385
Restricted share award grants	2,060	2	2,100	(42)		2,060
Issuance of common shares in connection with the Ziegler shared service amendment payment	1,800	1	1,799			1,800
Dividends declared	(42,313)			(39,048)		(39,048)	(3,265)		(3,265)
Adjustment for noncontrolling interests ownership in Operating Partnership			5,380			5,380	(5,380)		(5,380)
Distributions	(185)							(185)	(185)
Net income	(4,418)			(4,037)		(4,037)	(695)	314	(381)
Purchase of OP Units	(7,546)						(7,546)		(7,546)
Conversion of OP Units		20	13,266			13,286	(13,286)		(13,286)
Preferred distributions	0
Issuance of OP Units in connection with acquisitions	28,589						28,589		28,589
Balance at Dec. 31, 2014	569,209	510	586,017	(51,797)		534,730	33,727	752	34,479
Increase (Decrease) in stockholders' Equity
Net proceeds from sale of common shares	545,117	361	544,756			545,117
Restricted share award grants	2,908	1	3,191	(284)		2,908
Dividends declared	(70,886)			(67,542)		(67,542)	(3,344)		(3,344)
Adjustment for noncontrolling interests ownership in Operating Partnership	0		(4,778)			(4,778)	4,778		4,778
Contributions	8,962							8,962	8,962
Distributions	(213)							(213)	(213)
Net income	12,741			11,788		11,788	576	377	953
Purchase of OP Units	(1,088)						(1,088)		(1,088)
Conversion of OP Units	0		171			171	(171)		(171)
Preferred distributions	(1,189)			(1,189)		(1,189)
Issuance of OP Units in connection with acquisitions	10,973						10,973		10,973
Change in market value of Redeemable Noncontrolling Interest in Operating Partnership	(73)		(73)			(73)
Balance at Dec. 31, 2015	$ 1,076,461	$ 872	$ 1,129,284	$ (109,024)		$ 1,021,132	$ 45,451	$ 9,878	$ 55,329