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LOANS AND ALLOWANCE FOR LOAN LOSSES - Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	$ 1,747,883	$ 1,522,382
Loans, net and loans held for sale	1,724,124	1,497,224
Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	538,366	457,240
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	1,162,863	1,006,069
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	32,455	33,964
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	13,228	22,901
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	971	2,208
Commercial and Agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	262,919	258,013
Commercial and Agricultural | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	262,844	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	255,235	250,529
Commercial and Agricultural | Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	3,366	2,892
Commercial and Agricultural | Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	3,313	3,108
Commercial and Agricultural | Commercial and industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	930	1,089
Commercial and Agricultural | Agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	75	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	75	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	944,501	804,825
Commercial Mortgages | Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	105,664	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	105,473	82,404
Commercial Mortgages | Construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	179	0
Commercial Mortgages | Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	12	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	838,837	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	802,080	672,741
Commercial Mortgages | Commercial mortgages, other | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	28,910	31,072
Commercial Mortgages | Commercial mortgages, other | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	7,806	17,458
Commercial Mortgages | Commercial mortgages, other | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	41	1,119
Residential Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	283,844	259,967
Loans, net and loans held for sale	283,844	259,967
Residential Mortgages | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	283,145	258,928
Residential Mortgages | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	699	1,039
Residential Mortgages | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	283,145	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	699	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	256,619	199,577
Consumer Loans | Home equity lines and loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	77,105	70,854
Loans, net and loans held for sale	77,105	70,854
Consumer Loans | Home equity lines and loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	76,272	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	833	790
Consumer Loans | Home equity lines and loans | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	76,272	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	833	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	168,531	118,855
Loans, net and loans held for sale	168,531	118,855
Consumer Loans | Indirect consumer loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	167,966	118,393
Consumer Loans | Indirect consumer loans | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	565	462
Consumer Loans | Indirect consumer loans | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	167,966	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	565	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	10,983	9,868
Consumer Loans | Direct consumer loans | Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total recorded investment in loans	10,983	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	0	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	10,983	9,868
Consumer Loans | Other Direct Consumer Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	10,982	9,855
Consumer Loans | Other Direct Consumer Loans | Non-Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net and loans held for sale	$ 1	$ 13

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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 45
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