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EARNINGS PER SHARE (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Schedule of weighted average number of shares

  Three Months Ended September 30,  Nine Months Ended September 30, 
  2012  2011  2012  2011 
Weighted average shares outstanding for basic earnings per common share  16,340,425   16,208,889   16,312,896   16,201,900 
Dilutive effect of stock options, awards and warrants  149,965   115,169   157,589   107,914 
Weighted average shares outstanding for diluted earnings per common share  16,490,390   16,324,058   16,470,485   16,309,814 
                 
Basic earnings per common share $0.57  $0.52  $1.64  $1.38 
Diluted earnings per common share $0.57  $0.52  $1.63  $1.37