Income Taxes - Reconciliation of the Income Tax Expenses at the Statutory Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Impact of tax uncertainties		$ (1,200)
Tax rate change	$ (335)
Foreign tax rate differential	5,214	2,362
(Increase) decrease in valuation allowance against deferred tax assets	(5,840)	(2,416)
Income tax (provision) benefit	$ (961)	$ (1,254)