Income Taxes - Summary of (Provision for) Benefit from Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Current tax provision
Federal	$ (8,573)	$ (5,935)	$ (821)
State	(3,386)	(1,465)	(690)
Foreign	449	(327)	(1,619)
Total current tax provision	(11,510)	(7,727)	(3,130)
Deferred tax benefit
Federal	708	9,889	34,099
State	823	5,797	8,738
Foreign	538	(44)	1,307
Total deferred tax benefit (provision)	2,069	15,642	44,144
Total (provision for) benefit from income taxes	$ (9,441)	$ 7,915	$ 41,014