Income Taxes - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Jan. 31, 2025 |
Jan. 31, 2026 |
Jan. 31, 2024 |
Jan. 31, 2023 |
|
| Income Taxes [Line Items] | ||||
| Decrease in valuation allowance amount | $ 80,200 | |||
| Unrecognized Tax Benefits | $ 8,052 | $ 14,431 | $ 6,661 | $ 5,435 |
| U.S. federal | ||||
| Income Taxes [Line Items] | ||||
| Operating loss carryforwards | 181,700 | |||
| U.S. federal | Research Tax Credit Carryforward | ||||
| Income Taxes [Line Items] | ||||
| Tax credits | 27,200 | |||
| State and Local Jurisdiction | ||||
| Income Taxes [Line Items] | ||||
| Operating loss carryforwards | 202,300 | |||
| California | Research Tax Credit Carryforward | ||||
| Income Taxes [Line Items] | ||||
| Tax credits | $ 16,000 |