EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
EARNINGS PER SHARE [Abstract]
Net income	$ 62,745	$ 58,240	$ 58,614
Weighted average common shares outstanding - basic (in shares)	16,843,753	17,373,138	17,953,624
Effect of dilutive securities [Abstract]
Stock-based compensation awards (in shares)	489,459	646,690	538,594
Weighted average common shares outstanding - diluted (in shares)	17,333,212	18,019,828	18,492,218
Basic earnings per share (in dollars per share)	$ 3.73	$ 3.35	$ 3.26
Diluted earnings per share (in dollars per share)	$ 3.62	$ 3.23	$ 3.17