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LOANS AND ALLOWANCE FOR LOAN LOSSES - Credit Quality Indicator (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	$ 1,570,859	$ 1,522,382
Loans, net and loans held for sale	1,546,597	1,497,224
Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	463,218	457,240
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	1,052,765	1,006,069
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	31,428	33,964
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	21,280	22,901
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	2,168	2,208
Commercial and Agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	255,018	258,013
Commercial and Agricultural | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	254,782	257,618
Commercial and Agricultural | Commercial and industrial | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial and Agricultural | Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	248,148	250,529
Commercial and Agricultural | Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	2,649	2,892
Commercial and Agricultural | Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	2,933	3,108
Commercial and Agricultural | Commercial and industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	1,052	1,089
Commercial and Agricultural | Agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	236	395
Commercial and Agricultural | Agricultural | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial and Agricultural | Agricultural | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	236	395
Commercial and Agricultural | Agricultural | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial and Agricultural | Agricultural | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial and Agricultural | Agricultural | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	850,474	804,825
Commercial Mortgages | Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	80,705	82,435
Commercial Mortgages | Construction | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial Mortgages | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	80,681	82,404
Commercial Mortgages | Construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial Mortgages | Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	24	31
Commercial Mortgages | Construction | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial Mortgages | Commercial mortgages, other
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	769,769	722,390
Commercial Mortgages | Commercial mortgages, other | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Commercial Mortgages | Commercial mortgages, other | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	723,700	672,741
Commercial Mortgages | Commercial mortgages, other | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	28,779	31,072
Commercial Mortgages | Commercial mortgages, other | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	16,174	17,458
Commercial Mortgages | Commercial mortgages, other | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	1,116	1,119
Residential Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	265,486	259,967
Loans, net and loans held for sale	265,486	259,967
Residential Mortgages | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	264,706	258,928
Residential Mortgages | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	780	1,039
Residential Mortgages | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	264,706	258,928
Residential Mortgages | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Residential Mortgages | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Residential Mortgages | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	780	1,039
Residential Mortgages | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	199,881	199,577
Consumer Loans | Home equity lines and loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	70,436	70,854
Loans, net and loans held for sale	70,436	70,854
Consumer Loans | Home equity lines and loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	69,605	70,064
Consumer Loans | Home equity lines and loans | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	831	790
Consumer Loans | Home equity lines and loans | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	69,605	70,064
Consumer Loans | Home equity lines and loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Home equity lines and loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Home equity lines and loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	831	790
Consumer Loans | Home equity lines and loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Indirect consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	119,930	118,855
Loans, net and loans held for sale	119,930	118,855
Consumer Loans | Indirect consumer loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	119,407	118,393
Consumer Loans | Indirect consumer loans | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	523	462
Consumer Loans | Indirect consumer loans | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	119,407	118,393
Consumer Loans | Indirect consumer loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Indirect consumer loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Indirect consumer loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	523	462
Consumer Loans | Indirect consumer loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Direct consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	9,515	9,868
Consumer Loans | Direct consumer loans | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	9,500	9,855
Consumer Loans | Direct consumer loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Direct consumer loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Direct consumer loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	15	13
Consumer Loans | Direct consumer loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	0	0
Consumer Loans | Other Direct Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	9,515	9,868
Consumer Loans | Other Direct Consumer Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	9,500	9,855
Consumer Loans | Other Direct Consumer Loans | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	$ 15	$ 13

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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