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Fair Value Measurements (Tables) | 3 Months Ended
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Apr. 30, 2021
Fair Value Disclosures [Abstract] |
Summary of Information about Company's Financial Assets | The following table presents information about the Company’s financial assets that are required to be measured or disclosed at fair value using the above input categories:
| As of April 30, 2021
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (in thousands)
Money market funds | $ | 189,759 |  |  | $ | — |  |  | $ | — |  |  | $ | 189,759 |
U.S. Treasury securities | — |  |  | 57,873 |  |  | — |  |  | 57,873 |
Commercial paper | — |  |  | 43,361 |  |  | — |  |  | 43,361 |
Corporate debt securities | — |  |  | 129,698 |  |  | — |  |  | 129,698 |
Total | $ | 189,759 |  |  | $ | 230,932 |  |  | $ | — |  |  | $ | 420,691 |
Included in cash equivalents |  |  |  |  |  |  | $ | 189,759 |
Included in investments |  |  |  |  |  |  | $ | 230,932 |
| As of January 31, 2021
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (in thousands)
Money market funds | $ | 139,870 |  |  | $ | — |  |  | $ | — |  |  | $ | 139,870 |
U.S. Treasury securities | 14,988 |  |  | 45,026 |  |  | — |  |  | 60,014 |
Commercial paper | — |  |  | 34,598 |  |  | — |  |  | 34,598 |
Corporate debt securities | — |  |  | 141,488 |  |  | — |  |  | 141,488 |
Total | $ | 154,858 |  |  | $ | 221,112 |  |  | $ | — |  |  | $ | 375,970 |
Included in cash equivalents |  |  |  |  |  |  | $ | 154,858 |
Included in investments |  |  |  |  |  |  | $ | 221,112 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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