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] | ||
| Total gross property and equipment | $ 176,869 | $ 170,313 |
| Less: Accumulated depreciation and amortization | (87,958) | (82,000) |
| Total property and equipment, net | 88,911 | 88,313 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Total gross property and equipment | 102,529 | 99,333 |
| Capitalized internal-use software | ||
| Property, Plant and Equipment [Line Items] | ||
| Total gross property and equipment | 56,583 | 51,577 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Total gross property and equipment | 14,036 | 12,858 |
| Desktop and other computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total gross property and equipment | 3,264 | 3,114 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Total gross property and equipment | $ 457 | $ 3,431 |