Defined Benefit Pension Plans - Schedule of Net Pension Costs (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Employer service cost	$ 699	$ 627	$ 1,405	$ 1,253
Interest cost	99	23	199	44
Expected return on plan assets	(111)	(76)	(223)	(153)
Amortization of prior service credit	14	14	28	29
Amortization of net loss	0	0	0	0
Net pension cost	$ 701	$ 588	$ 1,409	$ 1,173