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Earnings Per Share
 6 Months Ended
Jun. 30, 2011
Earnings Per Share [Abstract]  
Earnings Per Share
Note 8. Earnings Per Share
The following table sets forth the computation of basic and diluted earnings per share:
                                 
    Three Months Ended     Six Months Ended  
    June 30,     June 30,  
(Dollars and shares in thousands, except per share data)   2011     2010     2011     2010  
 
                               
Numerator:
                               
Numerator for basic and diluted earnings per share — Income available to common shareholders
  $ 4,516     $ 3,730     $ 8,378     $ 6,700  
 
                       
Denominator:
                               
Denominator for basic earnings per share — weighted-average shares outstanding
    16,772       16,590       16,742       16,563  
Effect of dilutive securities:
                               
Employee stock options
    —       —       —       —  
 
                       
Denominator for diluted earnings per share — adjusted weighted-average shares outstanding
    16,772       16,590       16,742       16,563  
 
                       
Basic earnings per share
  $ 0.27     $ 0.23     $ 0.50     $ 0.40  
 
                       
Diluted earnings per share
  $ 0.27     $ 0.23     $ 0.50     $ 0.40  
 
                       
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. For the three months ended June 30, 2011 and 2010, there were 518,032 and 403,032 average anti-dilutive options at an average exercise price of $22.06 and $23.41, per share, respectively. For the six months ended June 30, 2011 and 2010, there were 503,115 and 403,032 average anti-dilutive options at an average exercise price of $22.20 and $23.41, per share, respectively.