v3.26.1
License Agreements - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Revenue from contract with customer, license and other revenue $ 33,432 $ 37,929 $ 68,498 $ 67,944  
Milestone method revenue recognized     3,500    
Menarini [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Reimbursement of development related expenses   6,500   13,500  
License and other revenue [Member] | Location, Statement of Financial Position, Activity, Capitalization [Axis]: us-gaap:ReceivablesNetCurrent          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Revenue from contract with customer, license and other revenue     2,700   $ 3,500
Royalty [Member] | Antengene [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Revenue from contract with customer, license and other revenue 700 500 1,200 1,100  
Royalty [Member] | Menarini [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Revenue from contract with customer, license and other revenue $ 1,800 $ 1,000 $ 3,200 $ 1,900