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Collaborations - Schedule of Changes in Contract Liability (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Toray Agreement |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Beginning Balance | $ 905 | $ 1,502
Addition - amount billed for research and development services | 228 | 317
Revenue recognized | (313) | (914)
Ending Balance | 820 | 905
Genmab Agreement |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Beginning Balance | 5,730 | 6,664
Addition - amount billed for research and development services | 2,825 | 2,369
Revenue recognized |  | (3,303)
Revenue recognized | (7,382) |
Ending Balance | 1,173 | 5,730
Innovent Agreement |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Beginning Balance | 0 | 3,142
Addition - amount billed for research and development services |  | 331
Revenue recognized |  | (3,473)
Ending Balance | $ 0 | $ 0

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