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Cash Equivalents and Investments (Tables) | 3 Months Ended
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Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments | Investments held at March 31, 2020 and December 31, 2019 are summarized as follows (in thousands):
|  | March 31, 2020 |  |  | December 31, 2019 |
Corporate securities |  | $ | 46,883 |  |  | $ | 32,962 |
Municipal debt securities |  |  | 23,327 |  |  |  | 29,066 |
Federal home loan securities |  |  | 8,052 |  |  |  | 8,013 |
Certificates of deposit |  |  | 6,779 |  |  |  | 4,469 |
|  | $ | 85,041 |  |  | $ | 74,510 |

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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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