Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Line Items]
Prepaid expenses and income taxes	$ 2,367,000	$ 0
Recognizes interest and penalties related to uncertain tax positions	(40,000)	(99,000)	$ (10,000)
Accrued interest and penalties related to uncertain tax positions	$ 67,000	$ 107,000	$ 206,000
Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Tax fiscal years open to examination	2016
Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Tax fiscal years open to examination	2021