Quarterly report [Sections 13 or 15(d)]

Commitments and Contingencies (Details)

v3.26.3
Commitments and Contingencies (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Lessee, Lease, Description [Line Items]        
Operating lease expense $ 200,000 $ 500,000 $ 200,000 $ 500,000
Cash payments 200,000 $ 100,000 500,000 $ 400,000
Future minimum lease payments 600,000   600,000  
Contractual obligations not included in financial statements 15,700,000   15,700,000  
Contractual obligations due within one year, not included in financial statements     2,700,000  
Contractual obligations due within two to three years, not included in financial statements 8,600,000   8,600,000  
Cancellation fees under agreements with contract manufacturers     0  
Arvinas And Pfizer        
Lessee, Lease, Description [Line Items]        
Contractual obligations not included in financial statements     24,800,000  
Contractual obligations due within in remainder 0   0  
Contractual obligations expected to be due in 2027 13,500,000   13,500,000  
Contractual obligations expected to be due in 2028 $ 13,500,000   $ 13,500,000  
Headquarters office space sublease, South San Francisco, California        
Lessee, Lease, Description [Line Items]        
Weighted average remaining lease term (in years) 9 months 29 days   9 months 29 days