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Earnings per Share (Tables)
3 Months Ended
Mar. 31, 2013
Earnings per Share [Abstract]  
Computation of earnings per share
The following table sets forth the computation of earnings per share.  Earnings per share calculations give retroactive effect to stock dividends declared by the Company.
 
   
Three months ended
 
 
 
March 31,
 
 
 
2013
  
2012
 
Net income applicable to common stock
 $3,287,000  $3,449,000 
 
        
Basic earnings per share computation
        
Weighted average common shares outstanding
  2,889,523   2,924,268 
Earnings per share - basic
 $1.14  $1.18 
 
        
Diluted earnings per share computation
        
Weighted average common shares outstanding for basic earnings per share
  2,889,523   2,924,268 
Add: Dilutive effects of restricted stock
  449   165 
Weighted average common shares outstanding for dilutive earnings per share
  2,889,972   2,924,433 
Earnings per share - dilutive
 $1.14  $1.18