EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
EARNINGS PER SHARE [Abstract]
Net income	$ 58,614	$ 45,353	$ 29,220
Weighted average common shares outstanding - basic (in shares)	17,953,624	18,054,373	16,818,697
Weighted average common shares outstanding - diluted (in shares)	18,492,218	18,339,033	17,040,550
Basic earnings per share (in dollars per share)	$ 3.26	$ 2.51	$ 1.74
Diluted earnings per share (in dollars per share)	$ 3.17	$ 2.47	$ 1.71