Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.10.0.1
Fair Value Measurements - Narrative (Details)
Sep. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
Discount rates | Recurring | Contingent Consideration    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.163
Volatility rates | Recurring | Contingent Consideration    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.240
Risk free rate of return | Recurring | Contingent Consideration    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.016
Revolving Facility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Revolving line of credit outstanding borrowings $ 0 $ 50,000,000