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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
 
Three months
  
Nine months
 
   
ended September 30,
  
ended September 30,
 
   
2012
  
2011
  
2012
  
2011
 
              
Basic weighted average common shares outstanding
  5,286,706   5,237,923   5,280,194   5,229,951 
Effect of dilutive shares
  24,523   29,776   25,207   29,426 
Diluted weighted average common shares outstanding
  5,311,229   5,267,699   5,305,401   5,259,377