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Collaboration and License Agreements - Regeneron Pharmaceuticals, Inc - Additional Information (Details) $ in Thousands		1 Months Ended
	Nov. 16, 2022 USD ($)	Jul. 31, 2026 USD ($)	May 31, 2026 USD ($) Target	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred revenue				$ 54,690	$ 28,467	$ 32,291	$ 94,063
Regeneron Pharmaceuticals, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of targets selected | Target			2
Deferred revenue				45,400
Collaborative Arrangement | Regeneron Pharmaceuticals, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Right to expand the number of additional collaboration target | Target			8
Upfront payment received	$ 30,000		$ 37,000
Collaboration and License Agreement | Regeneron Pharmaceuticals, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront payment received		$ 37,000	37,000
Estimated research and development service fees			10,000
Total transaction price			56,400
Deferred revenue			9,400	45,400	10,500
Amount due from customer				$ 37,500	$ 800
Collaboration and License Agreement | Regeneron Pharmaceuticals, Inc | Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent milestone payments receivable	800,000		800,000
Additional milestone payment received	$ 1,200,000
Collaboration and License Agreement | Regeneron Agreement | Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent milestone payments receivable			$ 4,000,000

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