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Earnings per Common Share
9 Months Ended
Sep. 30, 2011
Earnings per Common Share [Abstract] 
Earnings per Common Share
(9)  Earnings per Common Share

Basic earnings per share is computed by dividing net income available to common shareholders by the weighted average number of shares of common stock outstanding during the period. Diluted earnings per share is computed in the same manner as basic earnings per share except that the denominator is increased to include the number of additional common shares that would have been outstanding if certain shares issuable upon exercise of options and non-vested restricted stock were included.

The following table reconciles the numerators and denominators of the basic and diluted earnings per common share computations:

(dollars in thousands)
 
Three Months Ended
  
Nine Months Ended
 
   
September 30,
  
September 30,
 
   
2011
  
2010
  
2011
  
2010
 
Income available to common shareholders
 $3,625  $15,957  $10,629  $20,617 
                  
Weighted average number of common shares, basic
  15,343,000   15,309,000   15,339,000   15,303,000 
Effect of dilutive stock awards and CPP warrants
  48,000   164,000   82,000   149,000 
Weighted average number of common shares, diluted
  15,391,000   15,473,000   15,421,000   15,452,000 
                  
Earnings per common share
                
Basic
 $0.24  $1.04  $0.69  $1.35 
Diluted
 $0.24  $1.03  $0.69  $1.33 
                  
 Antidilutive stock awards excluded from computation of diluted earnings per common share
  101,644   54,725   71,636   63,492