Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2021 |
Nov. 30, 2020 |
|
| Lease Cost [Abstract] | ||||
| Operating lease cost | $ 1,454 | $ 1,572 | $ 4,688 | $ 4,773 |
| 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 | 1,459 | 1,568 | 4,675 | 4,743 |
| Right-of-use assets obtained in exchange for lease obligations, Operating leases | $ 138 | $ 3,441 | $ 194 | |
| Weighted Average Remaining Lease Terms, Operating leases | 3 years | 3 years | ||
| Weighted Average Discount Rate, Operating leases | 3.64% | 3.64% | ||