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Fair Value Measurement - Schedule of Assets and Liabilities Measured at Fair Value On A Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets: |  |
Money market funds | $ 168,481 | $ 213,667
Available-for-sale securities: | 13,036 | 22,279
Recurring |  |
Assets: |  |
Total assets at fair value on a recurring basis | 110,267 | 22,496
Money market funds | Recurring |  |
Assets: |  |
Money market funds | 92,231 | 217
U.S. treasury bills | Recurring |  |
Assets: |  |
Available-for-sale securities: | 5,000 |
Tax-exempt municipal securities |  |
Assets: |  |
Available-for-sale securities: | 9,913 | 15,347
Tax-exempt municipal securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 9,913 | 15,347
Corporate debt securities |  |
Assets: |  |
Available-for-sale securities: | 3,123 | 6,932
Corporate debt securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 3,123 | 6,932
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) | Recurring |  |
Assets: |  |
Total assets at fair value on a recurring basis | 97,231 | 217
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) | Money market funds | Recurring |  |
Assets: |  |
Money market funds | 92,231 | 217
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) | U.S. treasury bills | Recurring |  |
Assets: |  |
Available-for-sale securities: | 5,000 |
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) | Tax-exempt municipal securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 0 | 0
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) | Corporate debt securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 0 | 0
Significant Other Observable Inputs (Level 2) | Recurring |  |
Assets: |  |
Total assets at fair value on a recurring basis | 13,036 | 22,279
Significant Other Observable Inputs (Level 2) | Money market funds | Recurring |  |
Assets: |  |
Money market funds | 0 | 0
Significant Other Observable Inputs (Level 2) | U.S. treasury bills | Recurring |  |
Assets: |  |
Available-for-sale securities: | 0 |
Significant Other Observable Inputs (Level 2) | Tax-exempt municipal securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 9,913 | 15,347
Significant Other Observable Inputs (Level 2) | Corporate debt securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 3,123 | 6,932
Significant Unobservable Inputs (Level 3) | Recurring |  |
Assets: |  |
Total assets at fair value on a recurring basis | 0 | 0
Significant Unobservable Inputs (Level 3) | Money market funds | Recurring |  |
Assets: |  |
Money market funds | 0 | 0
Significant Unobservable Inputs (Level 3) | U.S. treasury bills | Recurring |  |
Assets: |  |
Available-for-sale securities: | 0 |
Significant Unobservable Inputs (Level 3) | Tax-exempt municipal securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | 0 | 0
Significant Unobservable Inputs (Level 3) | Corporate debt securities | Recurring |  |
Assets: |  |
Available-for-sale securities: | $ 0 | $ 0

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