RETIREMENT PLANS, COSTS OF RETIREMENT PLANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
401(k) plan expense	$ 636	$ 610	$ 590
Qualified noncontributory defined benefit retirement plan
Defined Benefit Plan Disclosure [Line Items]
Plan expense	$ 1,298	$ 1,178	$ 1,111