Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 14,106	$ 7,707	$ 33,399	$ 12,314
Other comprehensive loss:
Unrealized loss on cash flow hedges	(2,010)		(5,784)
Cash flow hedge gains reclassified to interest expense	(94)		(193)
Total other comprehensive loss	(2,104)		(5,977)
Comprehensive income	12,002	7,707	27,422	12,314
Net income attributable to non-controlling interests	(861)	(2,383)	(6,076)	(2,482)
Adjustment for cash flow hedge losses attributable to non-controlling interests	15		975
Comprehensive income attributable to stockholders and members	$ 11,156	$ 5,324	$ 22,321	$ 9,832