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Fair Value of Financial Assets and Liabilities - Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value of Financial Assets |  |
Amortized Cost | $ 215,491 | $ 205,702
Gross Unrealized Gains | 282 |
Gross Unrealized Losses | (7) | (91)
Fair Value | 215,765 | 205,611
Corporate Debt Securities and Commercial Paper |  |
Fair Value of Financial Assets |  |
Amortized Cost | 215,491 | 205,702
Gross Unrealized Gains | 282 |
Gross Unrealized Losses | (7) | (91)
Fair Value | $ 215,765 | $ 205,611

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