Condensed Consolidated Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 94,396 | $ 91,901 |
| Less: accumulated depreciation | (48,811) | (45,887) |
| Property and equipment, net | 45,585 | 46,014 |
| Computers and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 25,472 | 25,131 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 56,085 | 52,578 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 10,126 | 9,266 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 1,909 | 4,103 |
| Other | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 804 | $ 823 |