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Investments - Tabular Disclosure (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
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Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] |  |
Debt securities, available-for-sale, current | $ 305,142 | $ 283,460
Amortized cost | 305,091 | 283,705
Gross unrealized gains | 6 | 2
Gross unrealized losses | (506) | (247)
Fair value | 304,591 | 283,460
US Treasury and Government [Member] |  |
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] |  |
Amortized cost, current | 305,091 | 283,705
Gross unrealized gains, current | 6 | 2
Gross unrealized losses, current | (506) | (247)
Debt securities, available-for-sale, current | $ 304,591 | $ 283,460

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