Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 70,668	$ (227,451)
Currency translation gain	3,150	1,564
Comprehensive income (loss)	73,818	(225,887)
Less: other comprehensive income attributable to noncontrolling interest	319	167
Less: net income (loss) attributable to noncontrolling interest	202	(1,095)
Total comprehensive income (loss) attributable to ADS	$ 73,297	$ (224,959)