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Related Party Transactions - Related Party Accounts Payable (Details) - Related Party - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Related Party Transaction [Line Items] |  |
Total related party accounts payable | $ 2.5 | $ 0.6
Paragon Agreement |  |
Related Party Transaction [Line Items] |  |
Total related party accounts payable | 0.0 | 0.1
License Agreements development milestone liability (see Note 6) |  |
Related Party Transaction [Line Items] |  |
Total related party accounts payable | $ 2.5 | $ 0.5

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