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Financial Instruments and Fair Value - Summary of Contractual Maturities of Available-for-sale Securities (Detail) - USD ($)
$ in Thousands
Oct. 31, 2024
Jan. 31, 2024
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]    
Due within one year $ 30,384 $ 50,216
Due in 1 - 5 years 69,100 55,900
Total cash equivalents and marketable debt securities $ 99,484 $ 106,116