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Marketable Securities - Summary of Available-for-sale Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] |  |
Adjusted Cost | $ 102,747 | $ 24,407
Unrealized Gains | 830 | 0
Unrealized Losses | (2,209) | (1,889)
Fair Value | 101,368 | 22,518
Mutual and money market funds |  |
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] |  |
Adjusted Cost | 16,497 | 24,407
Unrealized Gains | 0 | 0
Unrealized Losses | (2,209) | (1,889)
Fair Value | 14,288 | $ 22,518
Government securities - U.S. |  |
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] |  |
Adjusted Cost | 86,250 |
Unrealized Gains | 830 |
Unrealized Losses | 0 |
Fair Value | $ 87,080 |

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