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Fair Value - Summary of the Company's Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair value |  |
Debt securities | $ 533,525 |
Recurring Basis |  |
Fair value |  |
Cash equivalents | 8,388 | $ 34,316
Assets, Total | 541,913 | 388,405
Recurring Basis | Level 1 |  |
Fair value |  |
Cash equivalents | 8,388 | 34,316
Assets, Total | 273,478 | 215,357
Recurring Basis | Level 2 |  |
Fair value |  |
Assets, Total | 268,435 | 173,048
U.S. government and agency debt securities | Recurring Basis |  |
Fair value |  |
Debt securities | 315,882 | 218,869
U.S. government and agency debt securities | Recurring Basis | Level 1 |  |
Fair value |  |
Debt securities | 265,090 | 181,041
U.S. government and agency debt securities | Recurring Basis | Level 2 |  |
Fair value |  |
Debt securities | 50,792 | 37,828
Corporate debt securities | Recurring Basis |  |
Fair value |  |
Debt securities | 217,643 | 131,224
Corporate debt securities | Recurring Basis | Level 2 |  |
Fair value |  |
Debt securities | $ 217,643 | 131,224
Non-U.S. government debt securities | Recurring Basis |  |
Fair value |  |
Debt securities |  | 3,996
Non-U.S. government debt securities | Recurring Basis | Level 2 |  |
Fair value |  |
Debt securities |  | $ 3,996

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