EARNINGS PER SHARE (Earnings Per Share Computations) (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Weighted average shares outstanding for basic earnings per common share	25,193,894	25,069,434	25,176,593	25,044,596
Dilutive effect of stock options, awards and warrants	462,509	388,458	464,149	374,288
Weighted average shares outstanding for diluted earnings per common share	25,656,403	25,457,892	25,640,742	25,418,884
Basic earnings per common share	$ 0.63	$ 0.54	$ 1.82	$ 1.54
Diluted earnings per common share	$ 0.62	$ 0.53	$ 1.78	$ 1.52