Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Indefinite Life Intangible Assets (Details)

v3.8.0.1
Intangible Assets - Indefinite Life Intangible Assets (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
Impairment of intangible assets, indefinite-lived (excluding goodwill) $ 0 $ 0