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Intangible Assets - Indefinite Life Intangible Assets (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Apr. 18, 2017
Indefinite-lived Intangible Assets [Line Items]          
Impairment of intangible assets, indefinite-lived (excluding goodwill) $ 0 $ 0 $ 0 $ 0  
Automatic | Trademark          
Indefinite-lived Intangible Assets [Line Items]          
Trademark         $ 800,000