CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Total	Common Class A [Member]	Series A Preferred Stock [Member]	Series B Preferred Stock [Member]	Series C Preferred Stock [Member]	Series D Preferred Stock [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Series A Preferred Stock [Member]	Additional Paid-in Capital [Member] Series B Preferred Stock [Member]	Additional Paid-in Capital [Member] Series C Preferred Stock [Member]	Additional Paid-in Capital [Member] Series D Preferred Stock [Member]	Cumulative Distributions [Member]	Cumulative Distributions [Member] Series A Preferred Stock [Member]	Cumulative Distributions [Member] Series B Preferred Stock [Member]	Cumulative Distributions [Member] Series C Preferred Stock [Member]	Cumulative Distributions [Member] Series D Preferred Stock [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] Series B Preferred Stock [Member]	Net income (loss) to Common Stockholders [Member] Series C Preferred Stock [Member]	Net income (loss) to Common Stockholders [Member] Series D Preferred Stock [Member]	Non-controlling Interests [Member]	Non-controlling Interests [Member] Series A Preferred Stock [Member]	Non-controlling Interests [Member] Series B Preferred Stock [Member]	Non-controlling Interests [Member] Series C Preferred Stock [Member]	Non-controlling Interests [Member] Series D Preferred Stock [Member]
Balance at Dec. 31, 2016	$ 292,561	$ 196				$ 68,760	$ 257,403					$ (70,807)					$ (13,824)					$ 50,833
Balance (in shares) at Dec. 31, 2016		19,567,506				2,850,602
Issuance of Class A common stock, net	57,346	$ 46				$ 0	57,300					0					0					0
Issuance of Class A common stock, net (in shares)		4,602,078		74,070		0
Issuance costs for Series D preferred stock, net	(50)	$ 0				$ (50)	0					0					0					0
Issuance costs for Series D preferred stock, net (in shares)		0				0
Vesting of restricted stock compensation	8	$ 0				$ 0	8					0					0					0
Issuance of LTIP Units for director compensation	100	$ 0				$ 0	100					0					0					0
Issuance of LTIP Units for director compensation (in shares)		0				0
Issuance of LTIP Units for compensation	1,081	$ 0				$ 0	1,081					0					0					0
Issuance of LTIP Units for compensation (in share)		0				0
Issuance of Long-Term Incentive Plan ("LTIP") units	4,783	$ 0				$ 0	4,783					0					0					0
Series B warrants	1,106	0				0	1,106					0					0					0
Contributions from noncontrolling interests, nets	7,184	0				0	0					0					0					7,184
Preferred Stock distributions declared	(15,239)	0	$ (5,900)	$ (1,579)	$ (2,215)	(2,539)	0	$ 0	$ 0	$ 0	$ 0	(15,078)	$ (5,900)	$ (1,579)	$ (2,215)	$ (2,539)	0	$ 0	$ 0	$ 0	$ 0	(161)	$ 0	$ 0	$ 0	$ 0
Stock accretion	(984)		$ (289)	$ (588)	$ (107)			$ 0	$ 0	$ 0			$ (289)	$ (588)	$ (107)			$ 0	$ 0	$ 0			$ 0	$ 0	$ 0
Distributions to noncontrolling interests	(22,642)	0				0	0					0					0					(22,642)
Conversion of operating partnership units to Class A Common Stock	0	$ 0				$ 0	167					0					0					(167)
Conversion of operating partnership units to Class A Common Stock (in shares)		22,367				0
Noncontrolling Interest Related To Sale Of Fox Hill	(136)																					(136)
Deconsolidation of MDA Apartments	(8,833)																					(8,833)
Net income	44,696	$ 0				$ 0	0					0					25,796					18,900
Balance at Jun. 30, 2017	$ 348,748	$ 242				$ 68,710	$ 321,948					$ (99,102)					$ 11,972					$ 44,978
Balance (in shares) at Jun. 30, 2017		24,191,951				2,850,602