Income Taxes - Summary of Reconciliation in Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits	$ 4,192	$ 2,894
Additions for prior year tax positions	220	1,372
Additions for current year tax positions	635	781
Reductions for prior year tax positions	(621)	(855)
Liability for unrecognized tax benefits	$ 4,426	$ 4,192