Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Narrative (Details)

v3.7.0.1
Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of intangible assets $ 5,486 $ 5,145
Weighted-Average Estimated Useful Life (years) 9 years 17 days