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Collaborative Arrangements and Licensing Agreements, GSK (Details)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2010
USD ($)
Sep. 30, 2019
USD ($)
Dec. 31, 2021
USD ($)
Medicine
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Collaborative Arrangement and Licensing Agreement [Abstract]          
Revenue     $ 810,456 $ 729,264 $ 1,122,599
R&D Revenue [Member]          
Collaborative Arrangement and Licensing Agreement [Abstract]          
Revenue     $ 468,061 364,565 $ 770,149
GSK [Member]          
Collaborative Arrangement and Licensing Agreement [Abstract]          
Upfront payment received $ 35,000        
Number of medicines currently being developed | Medicine     2    
Minimum amount of payments receivable for license fees and milestones     $ 260,000    
Maximum amount of payments receivable for development milestones     47,500    
Maximum amount of payments receivable for regulatory milestones     120,000    
Maximum amount of payments receivable for sales milestones     70,000    
Next prospective payment     15,000    
Revenue   $ 25,000      
Deferred revenue     $ 0 $ 0  
GSK [Member] | Revenue [Member] | Strategic Partner [Member]          
Collaborative Arrangement and Licensing Agreement [Abstract]          
Concentration percentage     0.00% 0.00% 2.00%
GSK [Member] | Minimum [Member]          
Collaborative Arrangement and Licensing Agreement [Abstract]          
Cumulative payments received     $ 190,000    
GSK [Member] | R&D Revenue [Member]          
Collaborative Arrangement and Licensing Agreement [Abstract]          
Revenue     $ 0 $ 200 $ 25,400