RETIREMENT PLANS - Supplemental employee retirement plan defined benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block
Net loss (gain) during the period	$ (6,063)	$ (1,761)	$ (5,323)
Amortization of unrecognized (gain) loss	(435)	(752)	(1,259)
Total recognized in other comprehensive (income) loss	(6,498)	(2,513)	(6,582)
Supplemental Employee Retirement Plans, Defined Benefit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block
Net loss (gain) during the period	781	(144)	(1,604)
Amortization of prior service cost	0	0	0
Amortization of unrecognized (gain) loss	(37)	(84)	(418)
Total recognized in other comprehensive (income) loss	$ 744	$ (228)	$ (2,022)