CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (73,143)	$ (175,383)	$ (165,585)
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on investments in securities	(184)	(571)	247
Foreign currency translation adjustment	(4,830)	(3,149)	7,736
Comprehensive loss	$ (78,157)	$ (179,103)	$ (157,602)