Summary Of Significant Accounting Policies (Schedule Of Weighted Average Number Of Shares Of Common Stock Outstanding Used For Basic And Diluted Calculations) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Summary of Significant Accounting Policies [Abstract]                      
Net income available to common shareholders $ 2,750 $ 3,149 $ 2,755 $ 2,941 $ 2,519 $ 2,615 $ 2,583 $ 2,599 $ 11,595 $ 10,316 $ 9,010
Weighted average shares outstanding (basic)                 5,612 4,982 4,897
Effect of dilutive stock options                 98 99 67
Weighted average shares outstanding (diluted)                 5,710 5,081 4,964
Basic earnings per common share $ 0.47 [1] $ 0.54 [1] $ 0.48 [1] $ 0.58 [1] $ 0.50 [1] $ 0.52 [1] $ 0.52 [1] $ 0.53 [1] $ 2.07 $ 2.07 $ 1.84
Diluted earnings per common share $ 0.46 [1] $ 0.54 [1] $ 0.47 [1] $ 0.56 [1] $ 0.49 [1] $ 0.51 [1] $ 0.51 [1] $ 0.52 [1] $ 2.03 $ 2.03 $ 1.82
Anti-dilutive stock options excluded from the computation of earnings per share                 56 24 117
[1] adjusted for common stock dividends distributed.