Leases - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Leases [Abstract] | ||
| Operating lease expense | $ 0.9 | $ 1.0 |
| Weighted-average remaining lease term - operating leases | 2 years 1 month 13 days | |
| Weighted-average discount rate - operating leases | 3.38% | |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|