Income Taxes - Schedule of Reconciliation of Liability for Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Beginning balance	$ 19,127	$ 19,373	$ 11,759
Adjustments for tax positions related to the current year	311	1,057	7,364
Adjustments for tax positions of prior years	(7,688)	(1,303)	250
Ending balance	$ 11,750	$ 19,127	$ 19,373