LOANS, Financing Receivables by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Risk Rating by Loan Class [Abstract]
Loans	$ 743,607	$ 775,494	$ 731,235
Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	696,041	725,886
Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	28,940	27,430
Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	18,626	21,728
Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	450
Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Commercial [Member]
Risk Rating by Loan Class [Abstract]
Loans	113,575	125,177	130,749
Commercial [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	110,899	121,848
Commercial [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	510	66
Commercial [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	2,166	2,813
Commercial [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	450
Commercial [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Commercial Real Estate [Member]
Risk Rating by Loan Class [Abstract]
Loans	419,540	420,106	393,910
Commercial Real Estate [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	396,130	395,436
Commercial Real Estate [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	14,753	14,272
Commercial Real Estate [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	8,657	10,398
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	109,749	123,626	104,104
Agriculture [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	89,670	104,809
Agriculture [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	13,139	11,750
Agriculture [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	6,940	7,067
Agriculture [Member] | Doubtful [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Agriculture [Member] | Loss [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	0
Residential Mortgage [Member]
Risk Rating by Loan Class [Abstract]
Loans	51,682	51,064	44,788
Residential Mortgage [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	51,121	50,149
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	561	915
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	17,626	20,124	20,754
Residential Construction [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	17,626	19,372
Residential Construction [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	0	752
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	31,435	35,397	$ 36,930
Consumer [Member] | Pass [Member]
Risk Rating by Loan Class [Abstract]
Loans	30,595	34,272
Consumer [Member] | Special Mention [Member]
Risk Rating by Loan Class [Abstract]
Loans	538	590
Consumer [Member] | Substandard [Member]
Risk Rating by Loan Class [Abstract]
Loans	302	535
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