v3.26.3
Impairment of long-lived assets - Additional Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
 [1]
Jun. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
 [1]
Long-Lived Asset, Held and Used, Impairment [Line Items]          
Impairment of long-lived assets $ 0 $ 0   $ 0 $ 44,611,000
Operating Lease ROU Asset and Construction in Progress | Bothell, WA          
Long-Lived Asset, Held and Used, Impairment [Line Items]          
Impairment of long-lived assets     $ 34,200,000    
Operating Lease ROU Asset and Leasehold Improvements | Seattle Washington          
Long-Lived Asset, Held and Used, Impairment [Line Items]          
Impairment of long-lived assets     3,800,000    
Laboratory Equipment | Bothell, WA          
Long-Lived Asset, Held and Used, Impairment [Line Items]          
Impairment of long-lived assets     3,800,000    
Laboratory Equipment | Seattle Washington          
Long-Lived Asset, Held and Used, Impairment [Line Items]          
Impairment of long-lived assets     2,000,000    
Other Long-Lived Assets          
Long-Lived Asset, Held and Used, Impairment [Line Items]          
Impairment of long-lived assets     $ 800,000    
[1] Certain amounts for the three and nine months ended September 30, 2025 have been reclassified to conform to the presentation as of the three and nine months ended September 30, 2026