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Cash Equivalents and Investments (Tables) | 9 Months Ended
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Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments | Investments held are all classified as current and at September 30, 2022 and December 31, 2021 are summarized as follows (in thousands):
|  | September 30, 2022 |  |  | December 31, 2021 |
Corporate securities |  | $ | 62,090 |  |  | $ | 72,964 |
Municipal debt securities |  |  | 14,320 |  |  |  | 13,215 |
U.S. Treasury securities |  |  | 7,747 |  |  |  | 5,205 |
Certificates of deposit |  |  | 3,701 |  |  |  | 4,404 |
Federal home loan securities |  |  | 3,538 |  |  |  | 3,927 |
|  | $ | 91,396 |  |  | $ | 99,715 |

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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 https://asc.fasb.org/topic&trid=2196928 + Details
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