CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (38,289)	$ 8,840	$ (33,422)	$ 6,539
Other comprehensive income (loss):
Unrealized gain (loss) on valuation of swap agreements	952	(15,388)	(82,444)	(51,347)
Reclassification of realized interest on swap agreements	5,506	(288)	9,598	(1,374)
Other comprehensive income (loss)	6,458	(15,676)	(72,846)	(52,721)
Comprehensive loss	(31,831)	(6,836)	(106,268)	(46,182)
Comprehensive loss attributable to noncontrolling interests	27,137	2,726	53,536	33,263
Comprehensive loss attributable to Acadia	$ (4,694)	$ (4,110)	$ (52,732)	$ (12,919)