Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Lease, Cost [Abstract]
Operating lease cost	$ 1,390	$ 1,517	$ 4,241	$ 4,545
Supplemental cash flow information related to leases was as follows:
Cash paid for amounts included in the measurement of lease liabilities, Operating cash flows from operating leases	1,394	1,522	4,256	4,550
Right-of-use assets obtained in exchange for lease obligations, Operating leases	$ 214	$ 2,042	$ 993	$ 2,848
Weighted Average Remaining Lease Terms, Operating leases	3 years		3 years
Weighted Average Discount Rate, Operating leases	4.03%		4.03%