INCOME TAXES, PROVISION FOR FEDERAL INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Provision for federal income taxes [Abstract]
Income taxes currently payable	$ 4,317	$ 3,951	$ 3,694
Deferred income tax provision	294	134	419
Provision for income taxes	$ 4,611	$ 4,085	$ 4,113