Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill (Amortization Expense) (Details)

v3.6.0.2
Intangible Assets and Goodwill (Amortization Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization expense $ 12,447 $ 10,442 $ 9,715