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Summary of Significant Accounting Policies - Basis of Presentation and Liquidity (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 07, 2021 USD ($) | Jan. 31, 2022 USD ($) | Jan. 31, 2021 USD ($) | Jan. 31, 2020 USD ($)
Accounting Policies [Abstract] |  |  |  |
Recapitalization exchange ratio | 1.53184 |  |  |
Cash and cash equivalents |  | $ 490,762 | $ 71,183 |
Proceeds from Business Combination and PIPE Investment, net of transaction costs | $ 533,200 | $ 533,164 | $ 0 | $ 0
Credit Agreement with SVB and Hercules | Secured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal payment of debt | $ 67,100 |  |  |

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