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Investments in Joint Ventures - Intrexon Energy Partners - Additional Information (Details)
 1 Months Ended
Mar. 31, 2014
USD ($)
Jun. 30, 2020
USD ($)
board_seat
Dec. 31, 2019
USD ($)
Jun. 30, 2014
USD ($)
Schedule of Equity Method Investments [Line Items]        
Investment   $ 859,000 $ 1,461,000  
Intrexon Energy Partners, LLC        
Schedule of Equity Method Investments [Line Items]        
Ownership interest       50.00%
Maximum additional capital contribution committed       $ 25,000,000
Additional capital contributions committed, remaining commitment   $ 4,225,000    
Total number of seats on the joint venture's governing board | board_seat   5    
Total number of seats on the joint venture's governing board, internally selected | board_seat   2    
Total number of seats on the joint venture's governing board, externally selected | board_seat   3    
Intrexon Energy Partners, LLC | Other Accrued Liabilities        
Schedule of Equity Method Investments [Line Items]        
Investment   $ (423,000) $ (423,000)  
Intrexon Energy Partners, LLC | Investors        
Schedule of Equity Method Investments [Line Items]        
Ownership interest       50.00%
Capital contributions $ 25,000,000      
Maximum additional capital contribution committed       $ 25,000,000
Intrexon Energy Partners, LLC | Collaborative Arrangement        
Schedule of Equity Method Investments [Line Items]        
Collaborative arrangement consideration received, value $ 25,000,000