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Earnings Per Common Share (Tables)
6 Months Ended
Jun. 30, 2012
Earnings Per Common Share [Abstract]  
Weighted Average Number Of Shares Used In Computing Earnings Per Share
Three Months Ended
June 30,
Six Months Ended
June 30,
2012 2011 2012 2011
Average number of common shares outstanding 3,326,999 3,286,551 3,321,502 3,280,757
Effect of dilutive common stock 8,891 7,780 8,821 7,234
Average number of common shares outstanding
used to calculate diluted earnings per share
3,335,890 3,294,331 3,330,323 3,287,991