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Investments in Joint Ventures - Intrexon T1D Partners - Additional Information (Details)
1 Months Ended
Mar. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
board_seat
Dec. 31, 2015
USD ($)
Schedule of Equity Method Investments [Line Items]      
Investment   $ 25,847,000 $ 9,977,000
Intrexon T1D Partners      
Schedule of Equity Method Investments [Line Items]      
Membership interest 50.00%    
Maximum additional capital contribution committed $ 5,000,000    
Additional capital contributions committed, remaining commitment   $ 3,650,000  
Total number of seats on the joint venture's governing board | board_seat   5  
Intrexon T1D Partners | Investors      
Schedule of Equity Method Investments [Line Items]      
Membership interest 50.00%    
Capital contributions $ 10,000,000    
Maximum additional capital contribution committed 5,000,000    
Intrexon T1D Partners | Upfront | Upfront and Milestone Payments      
Schedule of Equity Method Investments [Line Items]      
Collaborative arrangement consideration received, value $ 10,000,000    
Intrexon T1D Partners | Investments In Affiliates      
Schedule of Equity Method Investments [Line Items]      
Investment   $ 1,078,000