Financial Instruments and Fair Value - Summary of Contractual Maturities of Available-for-sale Securities (Detail) - USD ($) $ in Thousands	Jul. 31, 2024	Jan. 31, 2024
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]
Due within one year	$ 66,783	$ 50,216
Due in 1 - 5 years	31,709	55,900
Total cash equivalents and marketable debt securities	$ 98,492	$ 106,116

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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