Income Taxes - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Jan. 31, 2024 |
Jan. 31, 2023 |
Jan. 31, 2022 |
Jan. 31, 2021 |
|
| Investments, Owned, Federal Income Tax Note [Line Items] | ||||
| Change in valuation allowance | $ 23.7 | $ 31.4 | ||
| Operating loss carryforwards, subject to expiration | 152.0 | |||
| Net operating loss carryforwards, no expiration | 479.1 | |||
| Unrecognized tax benefits | $ 1.2 | $ 0.9 | $ 0.7 | $ 0.6 |
| Minimum | ||||
| Investments, Owned, Federal Income Tax Note [Line Items] | ||||
| Amortization of capitalized research and experimental expenditures | 5 years | |||
| Maximum | ||||
| Investments, Owned, Federal Income Tax Note [Line Items] | ||||
| Amortization of capitalized research and experimental expenditures | 15 years | |||
| Domestic Country | ||||
| Investments, Owned, Federal Income Tax Note [Line Items] | ||||
| Federal net operating loss tax carryforwards | $ 631.1 | |||