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Financial Instruments and Fair Value - Summary of Contractual Maturities of Investments (Detail) - USD ($) $ in Thousands | Jan. 31, 2023 | Jan. 31, 2022
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Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] |  |
Due within one year | $ 48,016 | $ 20
Due in 1 - 5 years | 52,414 | 0
Due in 5 - 7 years | 764 | 0
Total cash equivalents and marketable debt securities | $ 101,194 | $ 20

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