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Subsequent Events (Details)
Oct. 19, 2017
USD ($)
employee
shares
Sep. 18, 2017
USD ($)
The New Term Loan Facility | The New Lenders and Agent    
Subsequent Event [Line Items]    
Credit facility   $ 60,000,000
Bawogo Ventures GmbH & Co. KG | Subsequent Event    
Subsequent Event [Line Items]    
Consideration $ 70,000,000  
Contingent consideration liability $ 5,000,000  
Bawogo Ventures GmbH & Co. KG | Unvested restricted stock awards | Subsequent Event    
Subsequent Event [Line Items]    
Number of former employees of acquiree | employee 97  
Restricted stock awards granted (in shares) | shares 534,500