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Earnings Per Common Share (Weighted Average Number Of Shares Used In Computing Earnings Per Share) (Details) - shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0  
Average number of common shares outstanding 3,531,134 3,477,249
Effect of dilutive common stock 0 0
Average number of common shares outstanding used to calculate diluted earnings per share 3,531,134 3,477,249