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Cash Equivalents and Short-Term Investments (Tables) | 6 Months Ended
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Jul. 31, 2022
Cash, Cash Equivalents, and Short-Term Investments [Abstract] |
Schedule of Cash Equivalents and Short-term Investments | The following tables summarize the Company’s cash equivalents and short-term investments (in thousands):
| As of July 31, 2022
Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Cash Equivalents |  |  |  |  |  |  |
Money market funds | $ | 42,090 |  |  | $ | — |  |  | $ | — |  |  | $ | 42,090 |
Total cash equivalents | 42,090 |  |  | — |  |  | — |  |  | 42,090 |
Short-Term Investments |  |  |  |  |  |  |
U.S. government securities | 92,755 |  |  | — |  |  | (929) |  |  | 91,826 |
Corporate debt securities | 27,460 |  |  | — |  |  | (106) |  |  | 27,354 |
Commercial paper | 23,647 |  |  | — |  |  | — |  |  | 23,647 |
Asset-backed securities | 2,948 |  |  | — |  |  | (8) |  |  | 2,940 |
Total short-term investments | 146,810 |  |  | — |  |  | (1,043) |  |  | 145,767 |
Total | $ | 188,900 |  |  | $ | — |  |  | $ | (1,043) |  |  | $ | 187,857 |
| As of January 31, 2022
Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Cash Equivalents |  |  |  |  |  |  |
Money market funds | $ | 86,505 |  |  | $ | — |  |  | $ | — |  |  | $ | 86,505 |
Total cash equivalents | 86,505 |  |  | — |  |  | — |  |  | 86,505 |
Short-Term Investments |  |  |  |  |  |  |
U.S. government treasury securities | 39,340 |  |  | — |  |  | (129) |  |  | 39,211 |
Corporate debt securities | 30,156 |  |  | — |  |  | (66) |  |  | 30,090 |
Commercial paper | 40,966 |  |  | — |  |  | (1) |  |  | 40,965 |
Total short-term investments | 110,462 |  |  | — |  |  | (196) |  |  | 110,266 |
Total | $ | 196,967 |  |  | $ | — |  |  | $ | (196) |  |  | $ | 196,771 |

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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