Annual report pursuant to Section 13 and 15(d)

Revenue - Revenue from Strategic Partnerships and Other License Agreements (Details)

v3.21.1
Revenue - Revenue from Strategic Partnerships and Other License Agreements (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]    
Total Revenue $ 29,323 $ 46,279
AstraZeneca    
Disaggregation of Revenue [Line Items]    
Total Revenue 8,308 25,828
Seagen    
Disaggregation of Revenue [Line Items]    
Total Revenue 9,702 2,493
Servier    
Disaggregation of Revenue [Line Items]    
Total Revenue 11,313 15,048
Other    
Disaggregation of Revenue [Line Items]    
Total Revenue $ 0 $ 2,910