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Marketable Securities (Tables) | 9 Months Ended
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Sep. 30, 2020
Investments Debt And Equity Securities [Abstract] |
Summary of Marketable Securities | The following table summarizes the Company’s marketable securities as of September 30, 2020 (in thousands):
|  | Amortized Cost Basis |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US government |  | $ | 42,204 |  |  | $ | 347 |  |  | $ | — |  |  | $ | 42,551 |
Corporate bonds |  |  | 36,939 |  |  |  | 141 |  |  |  | — |  |  |  | 37,080 |
Commercial paper |  |  | 19,692 |  |  |  | 4 |  |  |  | — |  |  |  | 19,696 |
Money market funds(1) |  |  | 3,288 |  |  |  | — |  |  |  | — |  |  |  | 3,288 |
Certificates of deposit |  |  | 1,631 |  |  |  | — |  |  |  | — |  |  |  | 1,631 |
|  | $ | 103,754 |  |  | $ | 492 |  |  | $ | — |  |  | $ | 104,246 |
(1) | Included within cash and cash equivalents on the condensed consolidated balance sheets.
Summary of Fair Values of Marketable Securities by Contractual Maturity | The fair values of marketable securities by contractual maturity consist of the following (in thousands)
|  | September 30, 2020 |  |  | December 31, 2019 |
Maturities within one year |  | $ | 98,346 |  |  | $ | 114,386 |
Maturities after one year through three years |  |  | 5,900 |  |  |  | 48,556 |
|  | $ | 104,246 |  |  | $ | 162,942 |

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- Definition Fair values of marketable securities by contractual maturity. + References No definition available. + Details
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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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