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Short-term Investments (Tables) | 9 Months Ended
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Sep. 30, 2021
Investments Debt And Equity Securities [Abstract] |
Schedule of Available for Sale Short-term Investments by Major Security Type | The following table represents the Company’s available for sale short-term investments by major security type as of September 30, 2021:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Maturity by period |
|  | Cost |  |  | Unrealized |  |  | Unrealized |  |  | Fair Value |  |  | Less than 1 |  |  | 1 to 5 |
Available for sale |  | Total |  |  | gains |  |  | (losses) |  |  | Total |  |  | year |  |  | years |
Commercial paper |  | $ | 33,097 |  |  |  | 16 |  |  |  | (364 | ) |  |  | 32,749 |  |  |  | 31,712 |  |  |  | 1,037 |
U.S. Treasury Bills |  |  | 16,985 |  |  |  | 5 |  |  |  | (10 | ) |  |  | 16,980 |  |  |  | — |  |  |  | 16,980 |
Total |  | $ | 50,082 |  |  | $ | 21 |  |  | $ | (374 | ) |  | $ | 49,729 |  |  | $ | 31,712 |  |  | $ | 18,017 |

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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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