Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details 1)

v3.8.0.1
Intangible Assets (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 7,780 $ 5,601 $ 23,445 $ 16,552