Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (67,062)	$ (70,568)	$ (99,922)	$ (138,472)
Other comprehensive (loss) income:
Foreign currency translation adjustment	(6,419)	281	(9,894)	(538)
Total other comprehensive (loss) income	(6,419)	281	(9,894)	(538)
Comprehensive loss	$ (73,481)	$ (70,287)	$ (109,816)	$ (139,010)