XML 56 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill And Other Intangible Assets (Summary Of Amortization Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Goodwill And Other Intangible Assets [Abstract]        
Amortization expense $ 1,140 $ 1,155 $ 3,423 $ 3,273