CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 7,132	$ (23,748)	$ 11,589
Other comprehensive income:
Unrealized gain on real estate securities	0	9	4
Total other comprehensive income	0	9	4
Total comprehensive income (loss)	7,132	(23,739)	11,593
Total comprehensive (income) loss attributable to noncontrolling interests	(4,688)	554	(96)
Total comprehensive income (loss) attributable to common stockholders	$ 2,444	$ (23,185)	$ 11,497