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Cash, Cash Equivalents, and Investments (Tables) | 3 Months Ended
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Apr. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Components of Cash and Cash Equivalents | Cash, cash equivalents, and investments consisted of the following:
| As of April 30, 2021 |  | As of January 31, 2021
| (in thousands)
Cash and cash equivalents |  |  |
Cash | $ | 136,274 |  |  | $ | 184,308 |
Money market funds | 189,759 |  |  | 139,870 |
U.S. Treasury securities | — |  |  | 14,988 |
Total cash and cash equivalents | $ | 326,033 |  |  | $ | 339,166 |
Available-for-sale investments: |  |  |
U.S. Treasury securities | $ | 57,873 |  |  | $ | 45,026 |
Commercial paper | 43,361 |  |  | 34,598 |
Corporate debt securities | 129,698 |  |  | 141,488 |
Total available-for-sale investments | $ | 230,932 |  |  | $ | 221,112 |
Components of Available-for-sale Investments | Cash, cash equivalents, and investments consisted of the following:
| As of April 30, 2021 |  | As of January 31, 2021
| (in thousands)
Cash and cash equivalents |  |  |
Cash | $ | 136,274 |  |  | $ | 184,308 |
Money market funds | 189,759 |  |  | 139,870 |
U.S. Treasury securities | — |  |  | 14,988 |
Total cash and cash equivalents | $ | 326,033 |  |  | $ | 339,166 |
Available-for-sale investments: |  |  |
U.S. Treasury securities | $ | 57,873 |  |  | $ | 45,026 |
Commercial paper | 43,361 |  |  | 34,598 |
Corporate debt securities | 129,698 |  |  | 141,488 |
Total available-for-sale investments | $ | 230,932 |  |  | $ | 221,112 |
Components of Held-to-maturity Investments | Cash, cash equivalents, and investments consisted of the following:
| As of April 30, 2021 |  | As of January 31, 2021
| (in thousands)
Cash and cash equivalents |  |  |
Cash | $ | 136,274 |  |  | $ | 184,308 |
Money market funds | 189,759 |  |  | 139,870 |
U.S. Treasury securities | — |  |  | 14,988 |
Total cash and cash equivalents | $ | 326,033 |  |  | $ | 339,166 |
Available-for-sale investments: |  |  |
U.S. Treasury securities | $ | 57,873 |  |  | $ | 45,026 |
Commercial paper | 43,361 |  |  | 34,598 |
Corporate debt securities | 129,698 |  |  | 141,488 |
Total available-for-sale investments | $ | 230,932 |  |  | $ | 221,112 |
The following tables summarize the Company’s investments’ adjusted cost, net unrealized gains (losses), and fair value by significant investment category as of April 30, 2021 and January 31, 2021. Gross realized gains or losses from sales of available-for-sale securities were not material for the three months ended April 30, 2021.
| As of April 30, 2021
| Cost Basis |  | Unrealized Gain (Loss), Net |  | Recorded Basis
| (in thousands)
Available-for-sale investments: |  |  |  |  |
U.S. Treasury securities | $ | 57,870 |  |  | $ | 3 |  |  | $ | 57,873 |
Commercial paper | 43,362 |  |  | (1) |  |  | 43,361 |
Corporate debt securities | 129,561 |  |  | 137 |  |  | 129,698 |
Total available-for-sale investments | $ | 230,793 |  |  | $ | 139 |  |  | $ | 230,932 |
| As of January 31, 2021
| Cost Basis |  | Unrealized Gain, Net |  | Recorded Basis
| (in thousands)
Available-for-sale investments: |  |  |  |  |
U.S. Treasury securities | $ | 45,023 |  |  | $ | 3 |  |  | $ | 45,026 |
Commercial paper | 34,607 |  |  | (9) |  |  | 34,598 |
Corporate debt securities | 141,139 |  |  | 349 |  |  | 141,488 |
Total available-for-sale investments | $ | 220,769 |  |  | $ | 343 |  |  | $ | 221,112 |
Summary of Carrying Value of Available-for-sale Investments | The following tables summarize the Company’s investments’ adjusted cost, net unrealized gains (losses), and fair value by significant investment category as of April 30, 2021 and January 31, 2021. Gross realized gains or losses from sales of available-for-sale securities were not material for the three months ended April 30, 2021.
| As of April 30, 2021
| Cost Basis |  | Unrealized Gain (Loss), Net |  | Recorded Basis
| (in thousands)
Available-for-sale investments: |  |  |  |  |
U.S. Treasury securities | $ | 57,870 |  |  | $ | 3 |  |  | $ | 57,873 |
Commercial paper | 43,362 |  |  | (1) |  |  | 43,361 |
Corporate debt securities | 129,561 |  |  | 137 |  |  | 129,698 |
Total available-for-sale investments | $ | 230,793 |  |  | $ | 139 |  |  | $ | 230,932 |
| As of January 31, 2021
| Cost Basis |  | Unrealized Gain, Net |  | Recorded Basis
| (in thousands)
Available-for-sale investments: |  |  |  |  |
U.S. Treasury securities | $ | 45,023 |  |  | $ | 3 |  |  | $ | 45,026 |
Commercial paper | 34,607 |  |  | (9) |  |  | 34,598 |
Corporate debt securities | 141,139 |  |  | 349 |  |  | 141,488 |
Total available-for-sale investments | $ | 220,769 |  |  | $ | 343 |  |  | $ | 221,112 |
Summary of Contractual Maturities of Available-for-sale Securities | The following table presents the Company’s available-for-sale securities by contractual maturity date as of April 30, 2021 and January 31, 2021:
| As of April 30, 2021
| Cost Basis |  | Recorded Basis
| (in thousands)
Due within one year | $ | 180,327 |  |  | $ | 180,494 |
Due between one to five years | 50,466 |  |  | 50,438 |
Total | $ | 230,793 |  |  | $ | 230,932 |
| As of January 31, 2021
| Cost Basis |  | Recorded Basis
| (in thousands)
Due within one year | $ | 171,498 |  |  | $ | 171,837 |
Due between one to five years | 49,271 |  |  | 49,275 |
Total | $ | 220,769 |  |  | $ | 221,112 |

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