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Cash, Cash Equivalents and Short-Term Investments (Tables) | 3 Months Ended
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Apr. 30, 2023
Cash and Cash Equivalents [Abstract] |
Schedule of Short Term Investments | The following table summarizes the Company’s cash, cash equivalents and short-term investments by category (in thousands):
|  |  |  |  | As of April 30, 2023 |  |
|  |  |  |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  |  |  |  | $ | 225,794 |  |  | $ | — |  |  | $ | — |  |  | $ | 225,794 |  |  |
Money market funds |  |  |  |  | 86,665 |  |  | — |  |  | — |  |  | 86,665 |  |  |
Commercial paper |  |  |  |  | 3,476 |  |  | — |  |  | (2) |  |  | 3,474 |  |  |
Total cash and cash equivalents |  |  |  |  | $ | 315,935 |  |  | $ | — |  |  | $ | (2) |  |  | $ | 315,933 |  |  |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  |  |  | 107,285 |  |  | — |  |  | (147) |  |  | 107,138 |  |  |
Corporate debt securities |  |  |  |  | 122,903 |  |  | 92 |  |  | (583) |  |  | 122,412 |  |  |
Municipal bonds |  |  |  |  | 1,995 |  |  | — |  |  | (9) |  |  | 1,986 |  |  |
Foreign government bonds |  |  |  |  | 2,222 |  |  | — |  |  | (30) |  |  | 2,192 |  |  |
U.S. Agency securities |  |  |  |  | 72,842 |  |  | 1 |  |  | (374) |  |  | 72,469 |  |  |
U.S. Treasury securities |  |  |  |  | 317,815 |  |  | — |  |  | (2,306) |  |  | 315,509 |  |  |
Total short-term investments |  |  |  |  | $ | 625,062 |  |  | $ | 93 |  |  | $ | (3,449) |  |  | $ | 621,706 |  |  |
|  |  |  |  | As of January 31, 2023 |  |
|  |  |  |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  |  |  |  | $ | 232,332 |  |  | $ | — |  |  | $ | — |  |  | $ | 232,332 |  |  |
Money market funds |  |  |  |  | 60,073 |  |  | — |  |  | — |  |  | 60,073 |  |  |
U.S. Agency securities |  |  |  |  | 2,997 |  |  | — |  |  | — |  |  | 2,997 |  |  |
Total cash and cash equivalents |  |  |  |  | $ | 295,402 |  |  | $ | — |  |  | $ | — |  |  | $ | 295,402 |  |  |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  |  |  | 88,703 |  |  | 18 |  |  | (112) |  |  | 88,609 |  |  |
Corporate debt securities |  |  |  |  | 95,805 |  |  | 33 |  |  | (572) |  |  | 95,266 |  |  |
Municipal bonds |  |  |  |  | 1,989 |  |  | — |  |  | (19) |  |  | 1,970 |  |  |
Foreign government bonds |  |  |  |  | 2,211 |  |  | — |  |  | (41) |  |  | 2,170 |  |  |
U.S. Agency securities |  |  |  |  | 74,158 |  |  | 2 |  |  | (435) |  |  | 73,725 |  |  |
U.S. Treasury securities |  |  |  |  | 383,238 |  |  | — |  |  | (3,729) |  |  | 379,509 |  |  |
Total short-term investments |  |  |  |  | $ | 646,104 |  |  | $ | 53 |  |  | $ | (4,908) |  |  | $ | 641,249 |  |  |
Schedule of Unrealized Losses Cash Equivalents and Short Term Investment | The following table summarizes unrealized losses on the Company’s cash equivalents and short-term investments by category that have been in a continuous unrealized loss position for less than 12 months as of the periods presented (in thousands):
| Carrying Value |  | Gross Unrealized Losses |
April 30, 2023 |  |  |  |
U.S. Agency securities | $ | 69,471 |  |  | $ | (374) |  |
Commercial paper | 110,613 |  |  | (149) |  |
Corporate debt securities | 99,431 |  |  | (565) |  |
Municipal bonds | 1,986 |  |  | (9) |  |
Foreign government bonds | 2,192 |  |  | (30) |  |
U.S. Treasury securities | 299,511 |  |  | (2,306) |  |
Total cash equivalents and short-term investments | $ | 583,204 |  |  | $ | (3,433) |  |
| Carrying Value |  | Gross Unrealized Losses |
January 31, 2023 |  |  |  |
U.S. Agency securities | $ | 73,724 |  |  | $ | (435) |  |
Commercial paper | 45,015 |  |  | (112) |  |
Corporate debt securities | 75,203 |  |  | (572) |  |
Municipal bonds | 1,970 |  |  | (19) |  |
Foreign government bonds | 2,170 |  |  | (41) |  |
U.S. Treasury securities | 379,509 |  |  | (3,729) |  |
Total cash equivalents and short-term investments | $ | 577,591 |  |  | $ | (4,908) |  |
Schedule of Short Term Investments by Contractual Maturity | The following table classifies the Company’s short-term investments by contractual maturities (in thousands):
|  |  |  |  | April 30, 2023 |  | January 31, 2023 |  |
|  |  |  |  | Amortized cost |  | Fair Value |  | Amortized cost |  | Fair Value |  |
Due within 1 year |  |  |  |  | $ | 504,757 |  |  | $ | 501,963 |  |  | $ | 480,943 |  |  | $ | 477,520 |  |  |
Due between 1 year to 2 years |  |  |  |  | 120,305 |  |  | 119,743 |  |  | 165,161 |  |  | 163,729 |  |  |
Total |  |  |  |  | $ | 625,062 |  |  | $ | 621,706 |  |  | $ | 646,104 |  |  | $ | 641,249 |  |  |

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