CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Series A Preferred Stock [Member]	Conversion of Class B-1 into Class A shares [Member]	Conversion of Class B-2 into Class A shares [Member]	Nonvoting Convertible Stock [Member]	Nonvoting Convertible Stock [Member] Series A Preferred Stock [Member]	Nonvoting Convertible Stock [Member] Conversion of Class B-1 into Class A shares [Member]	Nonvoting Convertible Stock [Member] Conversion of Class B-2 into Class A shares [Member]	Common Stock [Member]	Common Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member] Conversion of Class B-1 into Class A shares [Member]	Common Stock [Member] Conversion of Class B-2 into Class A shares [Member]	Common Class A [Member]	Common Class A [Member] Series A Preferred Stock [Member]	Common Class A [Member] Conversion of Class B-1 into Class A shares [Member]	Common Class A [Member] Conversion of Class B-2 into Class A shares [Member]	Common Class B-1 [Member]	Common Class B-1 [Member] Series A Preferred Stock [Member]	Common Class B-1 [Member] Conversion of Class B-1 into Class A shares [Member]	Common Class B-1 [Member] Conversion of Class B-2 into Class A shares [Member]	Common Class B-2 [Member]	Common Class B-2 [Member] Series A Preferred Stock [Member]	Common Class B-2 [Member] Conversion of Class B-1 into Class A shares [Member]	Common Class B-2 [Member] Conversion of Class B-2 into Class A shares [Member]	Common Class B-3 [Member]	Common Class B-3 [Member] Series A Preferred Stock [Member]	Common Class B-3 [Member] Conversion of Class B-1 into Class A shares [Member]	Common Class B-3 [Member] Conversion of Class B-2 into Class A shares [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Series A Preferred Stock [Member]	Additional Paid-in Capital [Member] Conversion of Class B-1 into Class A shares [Member]	Additional Paid-in Capital [Member] Conversion of Class B-2 into Class A shares [Member]	Cumulative Distributions [Member]	Cumulative Distributions [Member] Series A Preferred Stock [Member]	Cumulative Distributions [Member] Conversion of Class B-1 into Class A shares [Member]	Cumulative Distributions [Member] Conversion of Class B-2 into Class A shares [Member]	Net Income (Loss) to Common Stockholders [Member]	Net Income (Loss) to Common Stockholders [Member] Series A Preferred Stock [Member]	Net Income (Loss) to Common Stockholders [Member] Conversion of Class B-1 into Class A shares [Member]	Net Income (Loss) to Common Stockholders [Member] Conversion of Class B-2 into Class A shares [Member]	Noncontrolling Interests [Member]	Noncontrolling Interests [Member] Series A Preferred Stock [Member]	Noncontrolling Interests [Member] Conversion of Class B-1 into Class A shares [Member]	Noncontrolling Interests [Member] Conversion of Class B-2 into Class A shares [Member]
Balance at Dec. 31, 2013	$ 46,083				$ 0				$ 24				$ 0				$ 0				$ 0				$ 0				$ 21,747				$ (3,659)				$ (6,111)				$ 34,082
Balance (in shares) at Dec. 31, 2013					1,000				2,413,811				0				0				0				0
Reverse stock split effect	0				$ 0				$ (24)				$ 0				$ 4				$ 4				$ 4				12				0				0				0
Reverse stock-split effect (in shares)					0				(2,413,811)				0				353,630				353,630				353,629
Issuance of Class A common stock, net	92,055				$ 0				$ 0				$ 75				$ 0				$ 0				$ 0				91,980				0				0				0
Issuance of Class A common stock, net (in shares)					0				0				7,531,188				0				0				0
Vesting of restricted stock compensation	48				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				48				0				0				0
Issuance of Operating Partnership ("OP") units	4,100				0				0				0				0				0				0				666				0				0				3,434
Issuance of Long-Term Incentive Plan ("LTIP") units																													2,117
Issuance of LTIP units for compensation	964				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				964				0				0				0
Issuance of LTIP units for compensation (in shares)					0				0				0				0				0				0
Issuance of convertible stock, net (in shares)					(1,000)				0				0				0				0				0
Contributions, net	5,066				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				0				0				0				5,066
Distributions declared	(6,517)				0				0				0				0				0				0				0				(6,271)				0				(246)
Distributions to noncontrolling interests	(5,774)				0				0				0				0				0				0				0				0				0				(5,774)
Changes in additional-paid in capital due to acquisitions	(4,023)				0				0				0				0				0				0				(4,023)				0				0				0
Deconsolidation of Grove at Waterford and 23Hundred@Berry Hill	(7,814)				0				0				0				0				0				0				0				0				0				(7,814)
Noncontrolling interest upon acquisition	6,264				0				0				0				0				0				0				0				0				0				6,264
Net income (loss)	(6,558)				0				0				0				0				0				0				0				0				(5,172)				(1,386)
Balance at Dec. 31, 2014	126,011				$ 0				$ 0				$ 75				$ 4				$ 4				$ 4				113,511				(9,930)				(11,283)				33,626
Balance (in shares) at Dec. 31, 2014					0				0				7,531,188				353,630				353,630				353,629
Issuance of Class A common stock, net	131,321				$ 0				$ 0				$ 109				$ 0				$ 0				$ 0				131,212				0				0				0
Issuance of Class A common stock, net (in shares)					0				0				10,948,664				0				0				0
Vesting of restricted stock compensation	126				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				126				0				0				0
Issuance of LTIP units for compensation	1,879				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				1,879				0				0				0
Issuance of LTIP units for compensation (in shares)					0				0				0				0				0				0
Conversion of Class B-1 shares to Class A			$ 0				$ 0				$ 0				$ 4				$ (4)				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0
Conversion of Class B-1 shares to Class A (in shares)							0				0				353,630				(353,630)				0				0
Conversion of Class B-2 shares to Class A				$ 0				$ 0				$ 0				$ 4				$ 0				$ (4)				$ 0				$ 0				$ 0				$ 0				$ 0
Conversion of Class B-2 shares to Class A (in shares)								0				0				353,630				0				(353,630)				0
Contributions, net	3,321				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				0				0				0				3,321
Distributions declared	(21,248)	$ (1,153)			0	$ 0			0	$ 0			0	$ 0			0	$ 0			0	$ 0			0	$ 0			0	$ 0			(20,918)	$ (1,153)			0	$ 0			(330)	$ 0
Distributions to noncontrolling interests	(2,105)				0				0				0				0				0				0				0				0				0				(2,105)
Changes in additional-paid in capital due to acquisitions	(2,103)				0				0				0				0				0				0				(2,103)				0				0				0
Disposition of noncontrolling interests	(9,839)				0				0				0				0				0				0				0				0				0				(9,839)
Issuance of restricted stock	0				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				0				0				0				0
Issuance of restricted stock (in shares)					0				0				15,000				0				0				0
Issuance of LTIP units	3,859				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				3,859				0				0				0
Issuance of LTIP units (in shares)					0				0				0				0				0				0
Net income (loss)	7,643				$ 0				$ 0				$ 0				$ 0				$ 0				$ 0				0				0				1,788				5,855
Balance at Dec. 31, 2015	$ 237,712				$ 0				$ 0				$ 192				$ 0				$ 0				$ 4				$ 248,484				$ (32,001)				$ (9,495)				$ 30,528
Balance (in shares) at Dec. 31, 2015					0				0				19,202,112				0				0				353,629