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Investments (Tables) | 9 Months Ended
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Sep. 30, 2021
Investments [Abstract] |
Investments consists of available-for-sale securities | Investments consists of available-for-sale securities as follows (in thousands):
|  | September 30, 2021 |
|  | Amortized Cost |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Estimated Fair Value |
Short-term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. government debt securities |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Corporate bonds |  |  | 83,208 |  |  |  | — |  |  |  | (9 | ) |  |  | 83,199 |
Total short-term marketable securities |  | $ | 83,208 |  |  | $ | — |  |  | $ | (9 | ) |  | $ | 83,199 |
Long-term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. government debt securities |  | $ | 3,995 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,995 |
Corporate bonds |  |  | 19,633 |  |  |  | — |  |  |  | (9 | ) |  |  | 19,624 |
Total long-term marketable securities |  | $ | 23,628 |  |  | $ | — |  |  | $ | (9 | ) |  | $ | 23,619 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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- References No definition available. + Details
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