LOANS, LOANS PORTFOLIO BY CREDIT QUALITY INDICATORS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 849,060	$ 819,803
Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	824,849	779,924
OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,356	6,225
Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	21,855	33,654
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial & industrial
Financing Receivable, Recorded Investment [Line Items]
Total loans	36,103	41,901
Commercial & industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	35,683	41,178
Commercial & industrial | OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	176	304
Commercial & industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	244	419
Commercial & industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial, secured by real estate
Financing Receivable, Recorded Investment [Line Items]
Total loans	527,596	476,944
Commercial, secured by real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	506,833	443,781
Commercial, secured by real estate | OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,180	5,479
Commercial, secured by real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	18,583	27,684
Commercial, secured by real estate | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Residential real estate
Financing Receivable, Recorded Investment [Line Items]
Total loans	252,049	266,255
Residential real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	250,039	261,839
Residential real estate | OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	442
Residential real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,010	3,974
Residential real estate | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Consumer
Financing Receivable, Recorded Investment [Line Items]
Total loans	17,563	19,261
Consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	17,522	19,182
Consumer | OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	41	79
Consumer | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Agricultural
Financing Receivable, Recorded Investment [Line Items]
Total loans	15,210	14,809
Agricultural | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	14,233	13,311
Agricultural | OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Agricultural | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	977	1,498
Agricultural | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Other
Financing Receivable, Recorded Investment [Line Items]
Total loans	539	633
Other | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	539	633
Other | OAEM
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Other | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 0	$ 0