Leases - Schedule of Supplemental Cash Flow Information Related to Operating Leases (Detail) - USD ($)	9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 6,559,000	$ 6,378,000
Operating lease liabilities arising from obtaining ROU assets	40,637,000	52,287,000
Finance lease liabilities arising from obtaining ROU assets	358,000	358,000
Additions/(reductions) to ROU assets resulting from additions/(reductions) to operating lease liabilities	$ (10,210,000)	$ (31,000)