EARNINGS PER SHARE - Schedule of Reconciliation from Basic to Diluted Average Common Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 115,930	$ 136,161	$ 101,928
Average common shares:
Basic (weighted-average outstanding shares) (in shares)	11,968	11,920	11,877
Dilutive potential common shares from stock options (in shares)	69	67	57
Diluted (weighted-average outstanding shares) (in shares)	12,037	11,987	11,934
Basic earnings per share (in dollars per share)	$ 9.69	$ 11.42	$ 8.58
Diluted earnings per share (in dollars per share)	$ 9.63	$ 11.36	$ 8.54