Employee Stock Purchase Plan - Additional Information (Detail) - shares	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Employee Stock Purchase Plan [Line Items]
Percentage of employees contribution of their gross pay	20.00%
Stock issued under employee stock purchase plan, shares	2,495,935
Employee Stock Purchase Plan [Member]
Employee Stock Purchase Plan [Line Items]
Percentage as purchase price of closing sale price of shares	95.00%
Maximum shares authorized for issuance under the ESPP	2,850,000
Stock issued under employee stock purchase plan, shares	3,363	6,007	8,451