Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Narrative (Details)

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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 2,267,750 $ 2,267,750  
Goodwill $ 86,043,148 $ 86,043,148 $ 86,043,148
Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Acquired finite-lived intangible assets, weighted average useful life 3 years 1 month 7 days    
Trade names      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 10 years    
Acquired finite-lived intangible assets, weighted average useful life 7 years 7 months 24 days    
Minimum | Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 4 years    
Maximum | Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 10 years