Supplemental financial statement information - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Jan. 31, 2026 |
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| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | $ 41,519 | $ 40,495 |
| Accumulated depreciation | (37,719) | (37,318) |
| Property and equipment, net | 3,800 | 3,177 |
| Leasehold improvements | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 14,673 | 14,140 |
| Furniture and fixtures | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 6,452 | 6,453 |
| Computer equipment | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | $ 20,394 | $ 19,902 |
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- 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
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- 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
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- 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
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- 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
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