Supplemental financial statement information - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands |
Jul. 31, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | $ 42,662 | $ 40,495 |
| Accumulated depreciation | (37,839) | (37,318) |
| Property and equipment, net | 4,823 | 3,177 |
| Leasehold improvements | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 15,276 | 14,140 |
| Furniture and fixtures | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 6,453 | 6,453 |
| Computer equipment | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | $ 20,933 | $ 19,902 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|