INCOME TAXES - Schedule of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount:
Provision at expected rate	$ 4,532	$ 4,167	$ 3,927
(Decrease) increase in tax resulting from:
Tax-exempt income	(516)	(520)	(475)
Other, net	147	147	22
Total provision	$ 4,163	$ 3,794	$ 3,474
Effective Income Tax Rate Reconciliation, Percent:
Provision at expected rate (as a percent)	21.00%	21.00%	21.00%
(Decrease) increase in tax resulting from:
Tax-exempt income (as a percent)	(2.39%)	(2.62%)	(2.54%)
Other, net (as a percent)	0.68%	0.74%	0.12%
Effective income tax provision (benefit) and rate (as a percent)	19.29%	19.12%	18.58%