Stock-Based Compensation (Summary Of Compensation Expense And Related Tax Benefits For Stock Option and Restricted Stock Awards) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Stock-Based Compensation [Abstract]      
Compensation expense $ 256 $ 292 $ 270
Tax benefit (61) (74) (67)
Net income effect $ 195 $ 218 $ 203