v3.26.3
Segment Reporting - Summary of Segment Loss Including Segment Expenses (Details) - USD ($)
 3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
 [1]
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Sep. 30, 2026
Sep. 30, 2025
 [1]
Segment Reporting [Abstract]                  
Research, development, and laboratory $ 11,819,000     $ 10,483,000       $ 32,468,000 $ 31,535,000
Facility costs 11,546,000     11,080,000       32,391,000 33,652,000
Support functions 6,880,000     6,637,000       21,058,000 21,707,000
Stock-based compensation 5,325,000     5,475,000       16,329,000 19,126,000
Technical operations and manufacturing 6,842,000     4,667,000       16,475,000 16,615,000
Other [2] 2,461,000     2,049,000       7,840,000 6,531,000
Research and development related success payments and contingent consideration (63,379,000)     3,124,000       (31,033,000) 15,343,000
Impairment of long-lived assets 0     0       0 44,611,000
Total operating expenses (18,506,000)     43,515,000       95,528,000 189,120,000
Income (loss) from operations 18,506,000     (43,515,000)       (95,528,000) (189,120,000)
Interest income, net 1,219,000     1,003,000       3,299,000 2,572,000
Other income, net 676,000     360,000       1,785,000 1,207,000
Net income (loss) $ 20,401,000 $ (63,635,000) $ (47,210,000) $ (42,152,000) $ (93,800,000) $ (49,389,000)   $ (90,444,000) $ (185,341,000)
Segment reporting, other segment item, composition, description             Other includes licensing costs, consulting fees, insurance, and business taxes for the three and nine months ended September 30, 2026 and 2025.    
[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
[2] Other includes licensing costs, consulting fees, insurance, and business taxes for the three and nine months ended September 30, 2026 and 2025