Marketable Securities - Additional Information (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Marketable securities with contractual maturities of one year or more	$ 5,710	$ 2,942
Prepaid Expenses and Other Current Assets
Debt Securities, Available-for-sale [Line Items]
Interest receivable	$ 2,800	$ 3,500