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Cash Equivalents and Marketable Securities (Tables) | 9 Months Ended
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Sep. 30, 2020
Cash And Cash Equivalents [Abstract] |
Schedule of Cash Equivalents and Marketable Securities | Cash equivalents and marketable securities consisted of the following:
|  | September 30, 2020 |
|  | Amortized Cost Basis |  |  | Unrealized Gains |  |  | Unrealized (Losses) |  |  | Fair Value |
|  | (in thousands) |
Money market funds |  | $ | 63,893 |  |  | $ | – |  |  | $ | – |  |  | $ | 63,893 |
Commercial paper |  |  | 40,182 |  |  |  | – |  |  |  | – |  |  |  | 40,182 |
Corporate debt securities |  |  | 42,399 |  |  |  | 81 |  |  |  | – |  |  |  | 42,480 |
Asset-based securities |  |  | 8,573 |  |  |  | 74 |  |  |  | – |  |  |  | 8,647 |
U.S. government agencies |  |  | 46,599 |  |  |  | 82 |  |  |  | – |  |  |  | 46,681 |
Total |  |  | 201,646 |  |  |  | 237 |  |  |  | – |  |  |  | 201,883 |
Less amounts classified as cash equivalents |  |  | (63,893 | ) |  |  | – |  |  |  | – |  |  |  | (63,893 | )
Total marketable securities |  | $ | 137,753 |  |  | $ | 237 |  |  | $ | – |  |  | $ | 137,990 |
|  | December 31, 2019 |
|  | Amortized Cost Basis |  |  | Unrealized Gains |  |  | Unrealized (Losses) |  |  | Fair Value |
|  | (in thousands) |
Money market funds |  | $ | 3,151 |  |  | $ | – |  |  | $ | – |  |  | $ | 3,151 |
Commercial paper |  |  | 4,952 |  |  |  | – |  |  |  | – |  |  |  | 4,952 |
Corporate debt securities |  |  | 69,423 |  |  |  | 79 |  |  |  | (3 | ) |  |  | 69,499 |
Asset-based securities |  |  | 27,005 |  |  |  | 50 |  |  |  | – |  |  |  | 27,055 |
U.S. government agencies |  |  | 26,968 |  |  |  | 39 |  |  |  | – |  |  |  | 27,007 |
Total |  |  | 131,499 |  |  |  | 168 |  |  |  | (3 | ) |  |  | 131,664 |
Less amounts classified as cash equivalents |  |  | (3,151 | ) |  |  | – |  |  |  | – |  |  |  | (3,151 | )
Total marketable securities |  | $ | 128,348 |  |  | $ | 168 |  |  | $ | (3 | ) |  | $ | 128,513 |

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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