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Cash Equivalents and Short-Term Investments - Summary of Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Thousands | Apr. 30, 2024 | Jan. 31, 2024
--- | --- | ---
Cash Equivalents |  |
Cash equivalents, amortized cost | $ 37,117 | $ 32,895
Cash equivalents, estimate fair value | 37,117 | 32,895
Short-Term Investments |  |
Amortized Cost | 108,435 | 112,225
Gross Unrealized Gains | 3 | 72
Gross Unrealized Losses | (218) | (16)
Estimated Fair Value | 108,220 | 112,281
Amortized Cost | 145,552 | 145,120
Estimated Fair Value | 145,337 | 145,176
U.S. government treasury securities |  |
Short-Term Investments |  |
Amortized Cost | 83,723 | 85,525
Gross Unrealized Gains | 1 | 58
Gross Unrealized Losses | (157) | (7)
Estimated Fair Value | 83,567 | 85,576
Corporate debt securities |  |
Short-Term Investments |  |
Amortized Cost | 13,804 | 13,712
Gross Unrealized Gains | 2 | 14
Gross Unrealized Losses | (49) | (1)
Estimated Fair Value | 13,757 | 13,725
U.S. government agency securities |  |
Short-Term Investments |  |
Amortized Cost | 5,999 | 7,999
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (12) | (8)
Estimated Fair Value | 5,987 | 7,991
Commercial paper |  |
Short-Term Investments |  |
Amortized Cost | 4,909 | 4,845
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 4,909 | 4,845
Asset-backed securities |  |
Short-Term Investments |  |
Amortized Cost |  | 144
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | 0
Estimated Fair Value |  | 144
Money market funds |  |
Cash Equivalents |  |
Cash equivalents, amortized cost | 37,117 | 32,895
Cash equivalents, estimate fair value | $ 37,117 | $ 32,895

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