v3.25.2
Segment reporting - Summary of Segment Loss Including Segment Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting [Abstract]            
Facility costs $ 4,825   $ 6,515   $ 10,335 $ 12,174
Research, development, and laboratory 8,962   23,945   21,053 47,737
Support functions 12,932   18,731   27,308 38,823
Stock-based compensation 6,629   11,380   13,651 20,472
Technical operations and manufacturing 4,511   11,452   11,948 21,475
Other [1] 2,243   5,293   4,480 9,352
Research and development related success payments and contingent consideration 10,262   (27,944)   12,219 10,063
Impairment of long-lived assets 44,611       44,611  
Total operating expenses 94,975   49,372   145,605 160,096
Loss from operations (94,975)   (49,372)   (145,605) (160,096)
Interest income, net 577   3,202   1,569 6,236
Other income (expense), net 598   (4,121)   847 (3,906)
Net loss $ (93,800) $ (49,389) $ (50,291) $ (107,475) $ (143,189) $ (157,766)
Segment reporting, other segment item, composition, description         Other includes licensing costs, consulting fees, insurance, and business taxes for the three and six months ended June 30, 2025 and 2024.  
[1] Other includes licensing costs, consulting fees, insurance, and business taxes for the three and six months ended June 30, 2025 and 2024.