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Marketable Securities (Tables) | 3 Months Ended
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Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Available-for-sale Marketable Securities | The following tables summarize the Company's marketable debt securities (in thousands):
| March 31, 2022 |  |  |  |  |  |  |  |  |  |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | 128,231 |  |  | $ | — |  |  | $ | (274) |  |  | $ | 127,957 |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises | 7,705 |  |  | — |  |  | (5) |  |  | 7,700 |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities | 1,004 |  |  | — |  |  | (3) |  |  | 1,001 |  |  |  |  |  |  |  |  |  |  |
Total | $ | 136,940 |  |  | $ | — |  |  | $ | (282) |  |  | $ | 136,658 |  |  |  |  |  |  |  |  |  |  |
| December 31, 2021
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
U.S. Treasury securities | $ | 81,184 |  |  | $ | — |  |  | $ | (52) |  |  | $ | 81,132 |
Government-sponsored enterprises | 7,739 |  |  | — |  |  | (5) |  |  | 7,734 |
Corporate debt securities | 31,285 |  |  | — |  |  | (4) |  |  | 31,281 |
Total | $ | 120,208 |  |  | $ | — |  |  | $ | (61) |  |  | $ | 120,147 |

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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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