Annual report pursuant to Section 13 and 15(d)

Revenue - Les Laboratoires Servier and Institut de Recherches Internationales Servier (Details)

v3.8.0.1
Revenue - Les Laboratoires Servier and Institut de Recherches Internationales Servier (Details)
$ in Thousands, € in Millions
12 Months Ended
Jan. 04, 2017
EUR (€)
extension_option
product
Jan. 04, 2017
USD ($)
extension_option
product
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Deferred Revenue Arrangement [Line Items]        
Upfront license payment     $ 11,285 $ 2,736
Milestone payments     12,573 1,655
Non-current deferred revenue     46,542 $ 1,409
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Minimum        
Deferred Revenue Arrangement [Line Items]        
Research collaboration agreement term 2 years 2 years    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Maximum        
Deferred Revenue Arrangement [Line Items]        
Research collaboration agreement term 3 years 3 years    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Research and Development Services        
Deferred Revenue Arrangement [Line Items]        
Research collaboration agreement term 3 years 3 years    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Research and Development Services | Extension Term        
Deferred Revenue Arrangement [Line Items]        
Number of agreement extension options | extension_option 2 2    
Research collaboration agreement term 1 year 1 year    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Strategic Partnerships and Other License Agreements        
Deferred Revenue Arrangement [Line Items]        
Number of collaboration products | product 4 4    
Period after effective date agreements may be terminated 12 months 12 months    
Contract termination advance notice period 180 days 180 days    
Number of worldwide collaboration products | product 2 2    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Strategic Partnerships and Other License Agreements | Minimum        
Deferred Revenue Arrangement [Line Items]        
Agreement termination notice period upon material breach by the Company 90 days 90 days    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Strategic Partnerships and Other License Agreements | Maximum        
Deferred Revenue Arrangement [Line Items]        
Agreement termination notice period upon material breach by the Company 120 days 120 days    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Strategic Partnerships and Other License Agreements | Upfront Payment        
Deferred Revenue Arrangement [Line Items]        
Upfront license payment € 30.0 $ 32,000    
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Substantive Development and Sales Milestone | Maximum        
Deferred Revenue Arrangement [Line Items]        
Milestone payments | € € 163.0      
Les Laboratoires Servier and Institut de Recherches Internationales Servier | Sales Milestones | Maximum        
Deferred Revenue Arrangement [Line Items]        
Deferred revenue     4,100  
Non-current deferred revenue     $ 30,200