EARNINGS PER SHARE (Earnings Per Share Computations) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Weighted average shares outstanding for basic earnings per common share	16,451,199	16,340,425	16,427,060	16,312,896
Dilutive effect of stock options, awards and warrants	183,734	149,965	154,029	157,589
Weighted average shares outstanding for diluted earnings per common share	16,634,933	16,490,390	16,581,089	16,470,485
Basic earnings per common share	$ 0.59	$ 0.57	$ 1.72	$ 1.64
Diluted earnings per common share	$ 0.59	$ 0.57	$ 1.70	$ 1.63