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Collaboration Agreements - Biogen (Details) - USD ($)	3 Months Ended		6 Months Ended		69 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Dec. 31, 2025
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Total collaboration revenue	$ 3,604,000	$ 0	$ 3,604,000	$ 0
Biogen | Collaborative Arrangement
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Remaining performance obligation	0		0		$ 0	$ 0
Contract liability	$ 0		$ 0		0	$ 0
Biogen | Biogen Collaborative Arrangement | Product
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Total collaboration revenue					0
Biogen | Biogen Collaborative Arrangement | Milestone Triggered
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Total collaboration revenue					$ 0

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