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Collaboration and License Agreements - ModernaTX, Inc - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended
	Jan. 31, 2023	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025	Dec. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred revenue		$ 54,690	$ 28,467	$ 32,291	$ 94,063
ModernaTX, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred revenue		9,300
ModernaTX, Inc | Collaboration and License Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront payment received	$ 35,000
Upfront consideration, pre-paid research and development service fees	5,000
Deferred revenue		9,300	9,300
Amount due from agreement		$ 0	$ 0
ModernaTX, Inc | Collaboration and License Agreement | Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent milestone payments receivable	$ 1,200,000

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