LOANS AND ALLOWANCE FOR CREDIT LOSSES, Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Loan Portfolio by Loan Class [Abstract]
Loans	$ 1,033,023		$ 984,100
Allowance for credit losses	(15,579)	$ (15,484)	(14,792)	$ (14,275)	$ (14,258)	$ (13,952)
Net deferred origination fees and costs	277		830
Loans, net	1,017,721		970,138
Commercial [Member]
Loan Portfolio by Loan Class [Abstract]
Loans	100,849		106,771
Allowance for credit losses	(1,775)	(1,750)	(1,463)	(1,650)	(1,747)	(1,604)
Commercial Real Estate [Member]
Loan Portfolio by Loan Class [Abstract]
Loans	702,410		645,166
Allowance for credit losses	(10,050)	(9,155)	(10,073)	(9,571)	(9,380)	(8,808)
Agriculture [Member]
Loan Portfolio by Loan Class [Abstract]
Loans	103,772		114,040
Allowance for credit losses	(939)	(873)	(1,757)	(1,694)	(1,607)	(1,482)
Residential Mortgage [Member]
Loan Portfolio by Loan Class [Abstract]
Loans	98,521		92,669
Allowance for credit losses	(1,824)	(1,678)	(880)	(802)	(754)	(742)
Residential Construction [Member]
Loan Portfolio by Loan Class [Abstract]
Loans	12,407		10,167
Allowance for credit losses	(487)	(417)	(178)	(151)	(135)	(74)
Consumer [Member]
Loan Portfolio by Loan Class [Abstract]
Loans	15,064		15,287
Allowance for credit losses	$ (367)	$ (365)	$ (173)	$ (179)	$ (191)	$ (167)