Annual report pursuant to Section 13 and 15(d)

Business Combinations (Details)

v3.6.0.2
Business Combinations (Details)
$ in Thousands
12 Months Ended
Jan. 08, 2016
USD ($)
program
platform
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]      
Finite-lived intangible asset, useful life   20 years  
Goodwill   $ 72,207 $ 12,238
OMT, Inc.      
Business Acquisition [Line Items]      
Number of transgenic animal platforms | platform 3    
Number of partnered programs added | program 16    
Consideration transferred $ 173,400    
Goodwill $ 59,969    
Core Technology | OMT, Inc.      
Business Acquisition [Line Items]      
Projected cash flow discount rate (percent) 15.50%    
Finite-lived intangible asset, useful life 20 years