Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Narrative (Details)

v3.10.0.1
Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of intangible assets $ 7,670 $ 10,887
Weighted-Average Estimated Useful Life (years) 10 years 1 month 8 days