Annual report pursuant to Section 13 and 15(d)

Revenue - Revenue From Licensing Agreements and Strategic Partnerships (Details)

v3.8.0.1
Revenue - Revenue From Licensing Agreements and Strategic Partnerships (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disaggregation of Revenue [Line Items]    
Revenue $ 25,275 $ 5,831
AstraZeneca    
Disaggregation of Revenue [Line Items]    
Revenue 19,769 0
Servier    
Disaggregation of Revenue [Line Items]    
Revenue 1,907 0
Roche    
Disaggregation of Revenue [Line Items]    
Revenue 3,516 4,080
Other    
Disaggregation of Revenue [Line Items]    
Revenue $ 83 $ 1,751