CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 13,285	$ 326	$ 39,364	$ 100,356
Other comprehensive income (loss):
Unrealized (loss) income on valuation of swap agreements	(644)	1,474	(2,652)	(12,624)
Reclassification of realized interest on swap agreements	734	1,210	2,637	3,396
Other comprehensive income (loss)	90	2,684	(15)	(9,228)
Comprehensive income	13,375	3,010	39,349	91,128
Comprehensive (income) loss attributable to noncontrolling interests	(541)	5,478	1,454	(46,554)
Comprehensive income attributable to Acadia	$ 12,834	$ 8,488	$ 40,803	$ 44,574