Pension Plans - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Defined Contribution Plan Disclosure [Line Items]
Defined contribution pension cost		$ 833	$ 581
Accumulated pension obligation		29,555	22,648	$ 18,789
Plan assets		24,778	15,751	$ 12,436
Net funded status		(4,777)	(6,897)
Contributions paid by plan participants		11,124	2,704
Cumulative amounts recognized in other comprehensive income		95	3,035
Cumulative amounts recognized in other comprehensive income, net gain/loss		(452)	2,431
Cumulative amounts recognized in other comprehensive income, prior service cost		547	605
Contributions paid or to be paid by employer		1,624	1,333
Scenario, Forecast [Member]
Defined Contribution Plan Disclosure [Line Items]
Contributions paid or to be paid by employer	$ 1,948
New Employees [Member]
Defined Contribution Plan Disclosure [Line Items]
Contributions paid by plan participants		$ 10,056	$ 1,768