CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (41,913)	$ (34,265)
Other comprehensive income (loss), net of tax
Unrealized gain on investments in securities	422	121
Foreign currency translation adjustment	885	(652)
Comprehensive loss	$ (40,606)	$ (34,796)