RETIREMENT PLANS - Net Periodic Pension Cost - Pension Plan (Details) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cost components:
Interest cost	$ (312)	$ (291)	$ (338)
Expected return on plan assets	553	752	643
Net amortization and deferral	(47)	(74)	(68)
Total net periodic pension earnings/(cost)	$ 194	$ 387	$ 237