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Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Related Party Transaction [Line Items] |  |  |
Research and development expenses | $ 52,151 | $ 45,757 |
Amgen Research and Collaboration Agreement |  |  |
Related Party Transaction [Line Items] |  |  |
Related party transaction obligation with related party | 6,300 |  | $ 0
Research and development expenses | $ 6,300 | $ 0 |

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