LOANS, LOANS PORTFOLIO BY CREDIT QUALITY INDICATORS (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 1,243,451	$ 1,198,623
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,222,688	1,168,142
OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,507	857
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	17,256	29,624
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Commercial & industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	78,371	77,799
Commercial & industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	76,236	74,530
Commercial & industrial | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	233	89
Commercial & industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,902	3,180
Commercial & industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Commercial, secured by real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	804,154	740,125
Commercial, secured by real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	789,319	718,233
Commercial, secured by real estate | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,007	768
Commercial, secured by real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	11,828	21,124
Commercial, secured by real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	322,855	349,538
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	319,075	344,432
Residential real estate | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	267	0
Residential real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,513	5,106
Residential real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	25,355	17,399
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	25,342	17,381
Consumer | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	13	18
Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	11,523	13,312
Agricultural | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	11,523	13,116
Agricultural | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Agricultural | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	196
Agricultural | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,193	450
Other | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,193	450
Other | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Other | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Other | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 0	$ 0