CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Total Stockholders' Equity	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Non-controlling Interest
Beginning Balance (in shares) at Dec. 31, 2012			8,888
Beginning Balance at Dec. 31, 2012	$ 185	$ 185	$ 0	$ 200	$ 0	$ (15)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)			7,461,884
Issuance of common stock	185,292	185,292	$ 74	185,218
Common stock offering costs, commissions and dealer manager fees	(24,786)	(24,786)		(24,786)
Common stock issued through distribution reinvestment plan (in shares)			56,618
Common stock issued through distribution reinvestment plan	$ 1,345	1,345	$ 1	1,344
Common stock repurchases (in shares)	(1,600)
Common stock repurchases	$ (40)	(40)		(40)
Share-based compensation (in shares)			3,999
Equity-based compensation	16	16		16
Distributions declared	(3,642)	(3,642)				(3,642)
Net loss	(221)	(221)				(221)
Ending Balance (in shares) at Dec. 31, 2013			7,529,789
Ending Balance at Dec. 31, 2013	158,149	158,149	$ 75	161,952	0	(3,878)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)			74,504,754
Issuance of common stock	1,851,951	1,851,951	$ 745	1,851,206
Common stock offering costs, commissions and dealer manager fees	$ (202,857)	(202,857)		(202,857)
Common stock issued through distribution reinvestment plan (in shares)	1,800,000		1,750,705
Common stock issued through distribution reinvestment plan	$ 41,580	41,580	$ 18	41,562
Common stock repurchases (in shares)			(72,431)
Common stock repurchases	(1,768)	(1,768)	$ (1)	(1,767)
Share-based compensation (in shares)			6,036
Equity-based compensation	73	73		73
Distributions declared	(87,850)	(87,850)				(87,850)
Contributions from non-controlling interest holders	10,148						10,148
Unrealized gain on investments	463	463			463
Net loss	(37,712)	(37,678)				(37,678)	(34)
Ending Balance (in shares) at Dec. 31, 2014			83,718,853
Ending Balance at Dec. 31, 2014	1,732,177	1,722,063	$ 837	1,850,169	463	(129,406)	10,114
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock offering costs, commissions and dealer manager fees	$ 2	2		2
Common stock issued through distribution reinvestment plan (in shares)	3,300,000		3,305,297
Common stock issued through distribution reinvestment plan	$ 78,502	78,502	$ 33	78,469
Common stock repurchases (in shares)			(894,338)
Common stock repurchases	(21,160)	(21,160)	$ (9)	(21,151)
Share-based compensation (in shares)			5,599
Equity-based compensation	60	60		60
Distributions declared	(145,137)	(145,137)				(145,137)
Unrealized gain on investments	(469)	(469)			(469)
Contributions from non-controlling interest holders	500						500
Distributions to non-controlling interest holders	(698)						(698)
Net loss	(41,960)	(41,741)				(41,741)	(219)
Ending Balance (in shares) at Dec. 31, 2015			86,135,411
Ending Balance at Dec. 31, 2015	$ 1,601,817	$ 1,592,120	$ 861	$ 1,907,549	$ (6)	$ (316,284)	$ 9,697