EARNINGS PER SHARE - Earnings Per Share Computations (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Number of antidilutive shares	0	0	0	0
Weighted average shares outstanding for basic earnings per common share	25,527,896	25,473,497	25,521,618	25,465,621
Dilutive effect of stock based awards	169,681	128,566	178,290	131,222
Weighted average shares outstanding for diluted earnings per common share	25,697,577	25,602,063	25,699,908	25,596,843
Basic earnings per common share (in dollars per share)	$ 1.00	$ 0.96	$ 1.93	$ 1.86
Diluted earnings per common share (in dollars per share)	$ 1.00	$ 0.95	$ 1.92	$ 1.85