Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2023	May 31, 2022
Lease, Cost [Abstract]
Operating lease cost	$ 1,433	$ 1,513
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	1,441	1,511
Right-of-use assets obtained in exchange for lease obligations, Operating leases	$ 0	$ 806
Weighted Average Remaining Lease Terms, Operating leases	3 years
Weighted Average Discount Rate, Operating leases	3.85%