CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,884	$ 5,226
Other comprehensive income (loss):
Pro rata share of other comprehensive income (loss) of unconsolidated joint ventures	4,384	(14,661)
Comprehensive income (loss)	6,268	(9,435)
Less comprehensive income (loss) attributable to noncontrolling interests in:
Consolidated joint ventures	(5,728)	(1,514)
Consolidated real estate fund	(97)	(25)
Operating Partnership	(41)	1,015
Comprehensive income (loss) attributable to common stockholders	$ 402	$ (9,959)