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Related-Party Transactions - Collaboration and License Agreements (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 25, 2026 | Dec. 31, 2025 | Mar. 25, 2025 | Aug. 02, 2022
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Common stock, shares issued | 81,446,126 |  |  |  |  | 81,120,931 |  |
Offering costs | $ 35 | $ 12 |  |  |  |  |  |
Shares issued to related party | 81,446,126 |  |  |  |  | 81,120,931 |  |
Service revenue - related party | $ 293 | 1,926 |  |  |  |  |  |
Perceptive Credit Holdings | Secured Debt |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Portion of the principal amount, agreed to redeem |  |  |  |  |  |  |  | $ 25,000
Warrant exercise price |  |  |  |  | $ 8 |  |  |
Term Loan | Secured Debt |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Warrant exercise price |  |  |  |  |  |  | $ 8 |
Term Loan | Perceptive Credit Holdings | Secured Debt |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Portion of the principal amount, agreed to redeem |  |  |  |  |  |  |  | $ 25,000
Janssen Pharmaceuticals Inc | Asset Purchase Agreement |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Service revenue - related party | 300 | 1,900 |  |  |  |  |  |
Deferred revenue recognized as service revenue during the period | $ 125 | $ 700 |  |  |  |  |  |
Non-refundable upfront cash funding |  |  | $ 60,000 | $ 65,000 |  |  |  |

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