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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 | Apr. 30, 2024 | Jan. 31, 2024
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | $ 37,117 | $ 32,895
Total short-term investments | 108,220 | 112,281
U.S. government treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 83,567 | 85,576
Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 13,757 | 13,725
U.S. government agency securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 5,987 | 7,991
Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 4,909 | 4,845
Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments |  | 144
Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 37,117 | 32,895
Fair Value, Recurring |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 37,117 | 32,895
Total short-term investments | 108,220 | 112,281
Total | 145,337 | 145,176
Fair Value, Recurring | U.S. government treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 83,567 | 85,576
Fair Value, Recurring | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 13,757 | 13,725
Fair Value, Recurring | U.S. government agency securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 5,987 | 7,991
Fair Value, Recurring | Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 4,909 | 4,845
Fair Value, Recurring | Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments |  | 144
Fair Value, Recurring | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 37,117 | 32,895
Fair Value, Recurring | Level 1 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 37,117 | 32,895
Total short-term investments | 0 | 0
Total | 37,117 | 32,895
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 | 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 | 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 | Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments |  | 0
Fair Value, Recurring | Level 1 | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 37,117 | 32,895
Fair Value, Recurring | Level 2 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | 0 | 0
Total short-term investments | 108,220 | 112,281
Total | 108,220 | 112,281
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 | 83,567 | 85,576
Fair Value, Recurring | Level 2 | Corporate debt securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 13,757 | 13,725
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 | 5,987 | 7,991
Fair Value, Recurring | Level 2 | Commercial paper |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments | 4,909 | 4,845
Fair Value, Recurring | Level 2 | Asset-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total short-term investments |  | 144
Fair Value, Recurring | Level 2 | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis |  |
Total cash equivalents | $ 0 | $ 0

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