XML 85 R70.htm IDEA: XBRL DOCUMENT v3.8.0.1
Other Intangible Assets, Annual Estimated Future Amortization Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Annual Estimated Future Amortization Expense [Abstract]      
2018 $ 8,978    
2019 8,876    
2020 4,898    
2021 4,148    
2022 5,201    
Impairment Charges [Abstract]      
Indefinite life intangible assets impairment charge $ 0 $ 0 $ 0