Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Narrative (Details)

v3.7.0.1
Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of intangible assets $ 10,887 $ 10,326
Weighted-Average Estimated Useful Life (years) 8 years 9 months 80 days