RETIREMENT PLANS - Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Pension Plan
Earnings (cost) components:
Interest cost	$ (234)	$ (219)
Expected return on plan assets	414	564
Net amortization and deferral	(36)	(54)
Total net periodic pension earnings	144	291
SERP
Earnings (cost) components:
Interest cost	(138)	(123)
Net amortization and deferral	(87)	(93)
Total net periodic pension earnings	$ (225)	$ (216)