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Cash, Cash Equivalents and Short-Term Investments | 9 Months Ended
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Sep. 30, 2021
Cash Cash Equivalents And Short Term Investments [Abstract] |
Cash, Cash Equivalents and Short-Term Investments | Note 4—Cash, Cash Equivalents and Short-Term Investments Cash, cash equivalents and short-term investments in marketable securities were as follows (in thousands):
|  | As of September 30, 2021 |
|  | Cash and |  |  |  |  |  |  |  |  |
|  | Cash |  |  | Short-Term |  |  |  |  |
|  | Equivalents |  |  | Investments |  |  | Total |
Cash |  | $ | 141,689 |  |  | $ | — |  |  | $ | 141,689 |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 403,952 |  |  |  | — |  |  |  | 403,952 |
Level 2: |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  | 31,275 |  |  |  | 84,253 |  |  |  | 115,528 |
Corporate debt securities |  |  | — |  |  |  | 94,080 |  |  |  | 94,080 |
U.S. government and agency securities |  |  | — |  |  |  | 43,352 |  |  |  | 43,352 |
Total |  | $ | 576,916 |  |  | $ | 221,685 |  |  | $ | 798,601 |
|  | As of December 31, 2020 |
|  | Cash and |  |  |  |  |  |  |  |  |
|  | Cash |  |  | Short-Term |  |  |  |  |
|  | Equivalents |  |  | Investments |  |  | Total |
Cash |  | $ | 132,372 |  |  | $ | — |  |  | $ | 132,372 |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 259,434 |  |  |  | — |  |  |  | 259,434 |
Level 2: |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  | 45,547 |  |  |  | 63,372 |  |  |  | 108,919 |
Corporate debt securities |  |  | — |  |  |  | 79,342 |  |  |  | 79,342 |
U.S. government and agency securities |  |  | — |  |  |  | 43,971 |  |  |  | 43,971 |
Total |  | $ | 437,353 |  |  | $ | 186,685 |  |  | $ | 624,038 |
The Company’s gross unrealized gains or losses from its short-term investments, recorded at fair value, for the three and nine months ended September 30, 2021 and 2020, were immaterial. The contractual maturities of the Company’s short-term investments are as follows (in thousands):
|  | September 30, 2021 |
Due in one year |  | $ | 195,238 |
Due in one to two years |  |  | 26,447 |
Total |  | $ | 221,685 |

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- Definition The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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