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Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Jan. 31, 2026
Fair Value Disclosures [Abstract] |
Summary of Estimated Fair Value of Securities Included in Cash Equivalents and Short-term Investments | Financial assets and liabilities subject to the fair value disclosure requirements were as follows (in thousands):
|  | January 31, 2026 |
|  | Level 1 |  |  | Level 2 |  |  | Total |
Cash equivalents: |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 68,169 |  |  | $ | — |  |  | $ | 68,169 |
Short-term investments: |  |  |  |  |  |  |  |
U.S. treasury securities |  |  | 102,932 |  |  | — |  |  |  | 102,932 |
Other current assets: |  |  |  |  |  |  |  |
Forward contracts designated as cash flow hedges |  | — |  |  |  | 6,150 |  |  |  | 6,150 |
Total current assets |  |  | 171,101 |  |  |  | 6,150 |  |  |  | 177,251 |
Other assets, non-current: |  |  |  |  |  |  |  |  |
Forward contracts designated as cash flow hedges |  | — |  |  |  | 855 |  |  |  | 855 |
Total assets |  | $ | 171,101 |  |  | $ | 7,005 |  |  | $ | 178,106 |
Other current liabilities: |  |  |  |  |  |  |  |  |
Forward contracts designated as cash flow hedges |  | $ | — |  |  | $ | 802 |  |  | $ | 802 |
Forward contracts not designated as cash flow hedges |  |  | — |  |  |  | 906 |  |  |  | 906 |
Total current liabilities |  |  | — |  |  |  | 1,708 |  |  |  | 1,708 |
Other liabilities, non-current: |  |  |  |  |  |  |  |  |
Forward contracts designated as cash flow hedges |  |  | — |  |  |  | 185 |  |  |  | 185 |
Total liabilities |  | $ | — |  |  | $ | 1,893 |  |  | $ | 1,893 |
|  | January 31, 2025 |
|  | Level 1 |  |  | Level 2 |  |  | Total |
Cash equivalents: |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 188,307 |  |  | $ | — |  |  | $ | 188,307 |
Short-term investments: |  |  |  |  |  |  |  |  |
U.S. treasury securities |  |  | 98,241 |  |  |  | — |  |  |  | 98,241 |
Total cash equivalents and short-term investments |  | $ | 286,548 |  |  | $ | — |  |  | $ | 286,548 |
As of January 31, 2025, forward contracts were not material
Summary of Contractual Maturities of Securities Included in Cash Equivalents and Short-Term Investment | As of January 31, 2026, remaining contractual maturities of our cash equivalents and short-term investments were as follows (in thousands):
|  | January 31, 2026 |
Due within one year |  | $ | 144,730 |
Due between one to five years |  |  | 26,371 |
Total |  | $ | 171,101 |
Summary of Net Carrying Amounts and Estimated Fair Values of Convertible Notes | The net carrying amounts and estimated fair values of the Convertible Notes were as follows (in thousands):
|  | January 31, |
|  | 2026 |  |  | 2025 |
|  | Net Carrying Amount |  |  | Estimated Fair Value |  |  | Net Carrying Amount |  |  | Estimated Fair Value |
2026 Convertible Notes |  | $ | — |  |  | $ | — |  |  | $ | 203,907 |  |  | $ | 260,248 |
2029 Convertible Notes |  |  | 451,011 |  |  |  | 434,378 |  |  |  | 448,638 |  |  |  | 458,103 |
Total |  | $ | 451,011 |  |  | $ | 434,378 |  |  | $ | 652,545 |  |  | $ | 718,351 |

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