Operating Leases - Summary of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Leases [Abstract] | ||||
| Cash payments for operating leases | $ 1,108 | $ 955 | $ 2,211 | $ 1,889 |
| Right-of-use assets recognized in exchange for new operating lease obligations | $ 280 | $ 761 | $ 855 | $ 1,104 |