RETIREMENT PLANS - Net Periodic Pension Cost - Pension Plan (Details) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cost components:
Interest cost	$ (416)	$ (312)	$ (291)
Expected return on plan assets	418	553	752
Net amortization and deferral	(67)	(47)	(74)
Total net periodic pension earnings/(cost)	$ (65)	$ 194	$ 387