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Fair Value Measurements and Marketable Securities - Summary of Marketable Debt Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 168,282 | $ 59,960
Gross Unrealized Gains | 358 | 81
Fair Value | 168,640 | 60,041
U.S. Government Securities [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 157,345 | 35,653
Gross Unrealized Gains | 351 | 66
Fair Value | 157,696 | 35,719
US Treasury Bills [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 10,937 | 17,330
Gross Unrealized Gains | 7 | 4
Fair Value | $ 10,944 | 17,334
Corporate Bonds [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost |  | 6,977
Gross Unrealized Gains |  | 11
Fair Value |  | $ 6,988

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