Quarterly report [Sections 13 or 15(d)]

Collaborations, Licensing Agreements and Other Agreements - Additional Information (Details)

v3.25.3
Collaborations, Licensing Agreements and Other Agreements - Additional Information (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2024
Mar. 31, 2023
May 31, 2020
Sep. 30, 2025
Sep. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2025
Jan. 31, 2024
Dec. 31, 2023
Aug. 31, 2023
May 31, 2023
Oct. 07, 2022
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Research and development expense       $ 39,824 $ 26,290   $ 106,480 $ 71,671            
Upfront payment                     $ 1,100      
License Agreement                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Obligation to be paid       2,000     $ 2,000              
Payment term             3 years              
License maintenance fee     $ 33       $ 10              
Total milestone payments             21,000              
Amounts due to agreement       0     0              
Sponsored Research Agreements                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Obligation to be paid       12,560     12,560              
Master Translational Research Services Agreement                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Research and development expense       894 $ 888   4,188 $ 2,408            
Remaining research and development expense to be incurred                 $ 750          
Oxford Biomedica                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Obligation to be paid                       $ 5,000    
Research and development expense $ 23,000           23,000              
Upfront payment                         $ 500  
Expenses             6,287              
Nanjing IASO Biotherapeutics Co., Ltd.                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Total milestone payments   $ 1,000       $ 1,500                
Upfront payment       $ 162,000     162,000             $ 2,500
Autolus Holdings                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Upfront payment   $ 1,200               $ 100        
Autolus Holdings | Maximum                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Total milestone payments             15,000              
Autolus Holdings | Maximum | License and Service                            
Collaborations, Licensing Agreements And Other Agreements [Line Items]                            
Total milestone payments             $ 12,000