CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 72,722	$ 2,069	$ 21,143
Other comprehensive income (loss):
Change in value of interest rate swaps		8,161	(9,241)
Pro rata share of other comprehensive income (loss) of unconsolidated joint ventures		17	(512)
Comprehensive income	72,722	10,247	11,390
Less comprehensive (income) loss attributable to noncontrolling interests in:
Consolidated real estate funds	(135)	1,316	(21,173)
Consolidated joint ventures	(1,353)	(15,423)	(5,459)
Operating Partnership	(13,926)	2,141	2,980
Comprehensive (loss) income attributable to common stockholders	$ 57,308	$ (1,719)	$ (12,262)