XML 90 R73.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible Assets - Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Intangible Assets, net    
2018 $ 55,132  
2019 51,182  
2020 40,368  
2021 32,014  
2022 28,107  
Thereafter 2,400  
Net Carrying Amount $ 209,203 $ 120,611