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Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract] |
Summary of Available for Sale Securities | Marketable securities, which are classified as available-for-sale, consisted of the following as of December 31, 2021 (in thousands):
|  | Amortized Cost Basis |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value as of December 31, 2021 |
Short-term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 32,471 |  |  | $ | — |  |  | $ | (4 | ) |  | $ | 32,467 |
Corporate bonds |  |  | 57,315 |  |  |  | — |  |  |  | (79 | ) |  |  | 57,236 |
US Treasuries |  |  | 5,082 |  |  |  | — |  |  |  | (9 | ) |  |  | 5,073 |
Total short-term marketable securities |  | $ | 94,868 |  |  | $ | — |  |  | $ | (92 | ) |  | $ | 94,776 |
Long-term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 5,089 |  |  | $ | — |  |  | $ | (21 | ) |  | $ | 5,068 |
Corporate bonds |  |  | 37,821 |  |  |  | — |  |  |  | (193 | ) |  |  | 37,628 |
US Treasuries |  |  | 25,073 |  |  |  | — |  |  |  | (117 | ) |  |  | 24,956 |
Total long-term marketable securities |  | $ | 67,983 |  |  | $ | — |  |  | $ | (331 | ) |  | $ | 67,652 |

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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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