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Income Taxes - Summary of Tax Valuation Allowance (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Period | $ 28,596 |  |
Balance at End of Period | 60,036 | $ 28,596 |
Valuation Allowance of Deferred Tax Assets [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Period | 28,596 | 24,083 | $ 17,962
Additions Charged to Expenses | 31,440 | 4,513 | 4,874
Additions Charged to Other Account | 0 | 0 | 1,247
Deductions Charged to Expenses or Other Accounts | 0 | 0 | 0
Balance at End of Period | $ 60,036 | $ 28,596 | $ 24,083

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