CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 4,632	$ (4,123)	$ (3,612)	$ (6,581)
Other comprehensive income (loss):
Change in value of interest rate swaps and interest rate caps	995		995
Pro rata share of other comprehensive income (loss) of unconsolidated joint ventures	928	904	5,677	(15,453)
Comprehensive income (loss)	6,555	(3,219)	3,060	(22,034)
Less comprehensive (income) loss attributable to noncontrolling interests in:
Consolidated joint ventures	(3,768)	(3,566)	(16,924)	(5,485)
Consolidated real estate fund	(3,123)	75	(3,191)	1,283
Operating Partnership	30	575	1,541	2,319
Comprehensive loss attributable to common stockholders	$ (306)	$ (6,135)	$ (15,514)	$ (23,917)