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Related Party - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Jan. 22, 2024
Related Party Transaction [Line Items] |  |  |  |
Common stock, shares issued | 83,252,520 | 83,252,520 | 82,569,168 | 5,325,000
Regeneron Pharmaceuticals, Inc. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Common stock, shares issued | 883,568 | 883,568 |  |
Revenue from related party | $ 0 | $ 0 |  |

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