RETIREMENT PLANS, CHANGES IN PROJECTED BENEFIT OBLIGATION (Details) - Qualified noncontributory defined benefit retirement plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of changes in projected benefit obligation [Abstract]
Projected benefit obligation at beginning of year	$ 1,999	$ 2,124	$ 2,045
Service cost	0	0	0
Interest cost	54	52	63
Actuarial (gain) or loss	(303)	(33)	155
Benefits paid	(144)	(144)	(139)
Projected benefit obligation at end of year	$ 1,606	$ 1,999	$ 2,124