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Earnings per Share
 12 Months Ended
Dec. 31, 2011
Earnings Per Share [Abstract]  
Earnings per Share
Note 13. Earnings per Share
The following table sets forth the computation of basic and diluted earnings per share:
                         
    For the Years Ended December 31,  
(Dollars and shares in thousands)   2011     2010     2009  
 
                       
Numerator for basic and diluted earnings per share—income available to common shareholders
  $ 18,882     $ 15,756     $ 10,780  
 
                 
Denominator for basic earnings per share—weighted-average shares outstanding
    16,743       16,598       14,347  
Effect of dilutive securities—employee stock options
    —       —       —  
 
                 
Denominator for diluted earnings per share—adjusted weighted-average shares outstanding
    16,743       16,598       14,347  
 
                 
Basic earnings per share
  $ 1.13     $ 0.95     $ 0.75  
 
                 
Diluted earnings per share
  $ 1.13     $ 0.95     $ 0.75  
 
                 
Average anti-dilutive options excluded from computation of diluted earnings per share
    491       403       407  
Average exercise price of anti-dilutive options excluded from computation of diluted earnings per share
  $ 22.09     $ 23.41     $ 23.45  
Anti-dilutive options have been excluded in the computation of diluted earnings per share because the options’ exercise prices were greater than the average market price of the common stock.