LOANS, Financing Receivables by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Risk Rating by Loan Class [Abstract]
Loans	$ 962,442	$ 893,214	$ 770,565
Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	921,803	846,139
Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	14,174	19,986
Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	18,700	27,089
Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	7,765	0
Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Commercial [Member]
Risk Rating by Loan Class [Abstract]
Loans	293,148	255,926	113,346
Commercial [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	282,088	244,327
Commercial [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	9,985	10,731
Commercial [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	1,075	868
Commercial [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Commercial [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Commercial Real Estate [Member]
Risk Rating by Loan Class [Abstract]
Loans	496,848	454,053	452,611
Commercial Real Estate [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	479,879	431,381
Commercial Real Estate [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	4,189	9,255
Commercial Real Estate [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	12,780	13,417
Commercial Real Estate [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Commercial Real Estate [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Agriculture [Member]
Risk Rating by Loan Class [Abstract]
Loans	79,955	95,048	94,303
Agriculture [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	68,576	83,493
Agriculture [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Agriculture [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	3,614	11,555
Agriculture [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	7,765	0
Agriculture [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Mortgage [Member]
Risk Rating by Loan Class [Abstract]
Loans	71,112	64,497	66,184
Residential Mortgage [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	70,648	64,018
Residential Mortgage [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Mortgage [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	464	479
Residential Mortgage [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Mortgage [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Construction [Member]
Risk Rating by Loan Class [Abstract]
Loans	2,662	4,223	19,086
Residential Construction [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	2,662	4,223
Residential Construction [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Construction [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Construction [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Construction [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Consumer [Member]
Risk Rating by Loan Class [Abstract]
Loans	18,717	19,467	$ 25,035
Consumer [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	17,950	18,697
Consumer [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Consumer [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	767	770
Consumer [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Consumer [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	$ 0	$ 0