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Marketable Securities (Tables) | 9 Months Ended
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Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract] |
Available-for-sale Marketable Securities | The following tables summarize the Company's marketable debt securities (in thousands):
| September 30, 2023 |  |  |  |  |  |  |  |  |  |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | 26,050 |  |  | $ | — |  |  | $ | (12) |  |  | $ | 26,038 |  |  |  |  |  |  |  |  |  |  |
Government-sponsored enterprises | 83,671 |  |  | 40 |  |  | (16) |  |  | 83,695 |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities | 56,847 |  |  | — |  |  | (46) |  |  | 56,801 |  |  |  |  |  |  |  |  |  |  |
Total | $ | 166,568 |  |  | $ | 40 |  |  | $ | (74) |  |  | $ | 166,534 |  |  |  |  |  |  |  |  |  |  |
| December 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Government-sponsored enterprises | $ | 32,812 |  |  | $ | 5 |  |  | $ | (7) |  |  | $ | 32,810 |
Corporate debt securities | 12,655 |  |  | 1 |  |  | (4) |  |  | 12,652 |
Total | $ | 45,467 |  |  | $ | 6 |  |  | $ | (11) |  |  | $ | 45,462 |

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