Combined and Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020		Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (66,388)	[1]	$ (28,599)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(362)		185
Total other comprehensive (loss) income	(362)		185
Comprehensive loss	$ (66,750)		$ (28,414)

[1] Retroactively restated for reverse recapitalization as described in Note 1.