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Fair Value Measurements - Schedule of Fair Value Hierarchy For Company's Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Jul. 31, 2023 | Jan. 31, 2023
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | $ 12,667 | $ 30,361
Total short-term investments | 124,361 | 127,856
U.S. government treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 95,780 | 71,253
U.S. government agency securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 11,882 | 7,841
Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 9,941 | 31,500
Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 3,953 | 11,902
Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 2,805 | 5,360
Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 12,667 | 29,239
Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents |  | 1,122
Fair Value, Recurring |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 12,667 | 30,361
Total short-term investments | 124,361 | 127,856
Total | 137,028 | 158,217
Fair Value, Recurring | U.S. government treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 95,780 | 71,253
Fair Value, Recurring | U.S. government agency securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 11,882 | 7,841
Fair Value, Recurring | Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 9,941 | 31,500
Fair Value, Recurring | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 3,953 | 11,902
Fair Value, Recurring | Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 2,805 | 5,360
Fair Value, Recurring | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 12,667 | 29,239
Fair Value, Recurring | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents |  | 1,122
Fair Value, Recurring | Level 1 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 12,667 | 29,239
Total short-term investments | 0 | 0
Total | 12,667 | 29,239
Fair Value, Recurring | Level 1 | U.S. government treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | U.S. government agency securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 12,667 | 29,239
Fair Value, Recurring | Level 1 | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents |  | 0
Fair Value, Recurring | Level 2 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 0 | 1,122
Total short-term investments | 124,361 | 127,856
Total | 124,361 | 128,978
Fair Value, Recurring | Level 2 | U.S. government treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 95,780 | 71,253
Fair Value, Recurring | Level 2 | U.S. government agency securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 11,882 | 7,841
Fair Value, Recurring | Level 2 | Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 9,941 | 31,500
Fair Value, Recurring | Level 2 | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 3,953 | 11,902
Fair Value, Recurring | Level 2 | Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 2,805 | 5,360
Fair Value, Recurring | Level 2 | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | $ 0 | 0
Fair Value, Recurring | Level 2 | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents |  | $ 1,122

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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