EARNINGS PER SHARE (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
EARNINGS PER SHARE [Abstract]
Weighted average shares outstanding for basic earnings per common share (in shares)	16,324,928	16,201,311	16,298,981	16,198,348
Dilutive effect of stock options, awards and warrants (in shares)	128,633	98,918	151,851	98,336
Weighted average shares outstanding for diluted earnings per common share (in shares)	16,453,561	16,300,229	16,450,832	16,296,684
Basic earnings per common share (in dollars per share)	$ 0.54	$ 0.49	$ 1.07	$ 0.86
Diluted earnings per common share (in dollars per share)	$ 0.54	$ 0.49	$ 1.06	$ 0.86
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options excluded from computation of diluted earnings per share (in shares)	0	0	70,000	70,000