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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total |  | $ 7,548
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total |  | 7,522
Allowance for Loan Losses Allocated |  | 1,147
Average Amortized Cost Basis |  |
Average recorded investment, total | $ 6,646 | 8,961
Interest Income Recognized |  |
Total | 163 | 56
Residential Mortgages |  |
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance recorded |  | 767
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance recorded |  | 760
Average Amortized Cost Basis |  |
With no related allowance recorded | 288 | 864
With an allowance recorded | 0 | 0
Interest Income Recognized |  |
With no related allowance recorded | 0 | 37
With an allowance recorded | 0 | 0
Construction | Commercial Mortgages |  |
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance recorded |  | 5
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance recorded |  | 5
Average Amortized Cost Basis |  |
With no related allowance recorded | 443 | 71
With an allowance recorded | 0 | 0
Interest Income Recognized |  |
With no related allowance recorded | 103 | 0
With an allowance recorded | 0 | 0
Commercial mortgages | Commercial Mortgages |  |
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance recorded |  | 4,346
With an allowance recorded |  | 38
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance recorded |  | 4,341
With an allowance recorded |  | 38
Allowance for Loan Losses Allocated |  | 38
Average Amortized Cost Basis |  |
With no related allowance recorded | 3,988 | 4,211
With an allowance recorded | 33 | 1,258
Interest Income Recognized |  |
With no related allowance recorded | 5 | 14
With an allowance recorded | 0 | 0
Home equity lines and loans | Consumer Loans |  |
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance recorded |  | 154
With an allowance recorded |  | 126
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance recorded |  | 138
With an allowance recorded |  | 127
Allowance for Loan Losses Allocated |  | 31
Average Amortized Cost Basis |  |
With no related allowance recorded | 99 | 153
With an allowance recorded | 25 | 137
Interest Income Recognized |  |
With no related allowance recorded | 0 | 0
With an allowance recorded | 0 | 0
Direct consumer loans | Consumer Loans |  |
Average Amortized Cost Basis |  |
With an allowance recorded | 0 | 0
Interest Income Recognized |  |
With an allowance recorded | 0 | 0
Commercial and Agricultural Sector | Commercial and industrial |  |
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance recorded |  | 1,026
With an allowance recorded |  | 1,086
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance recorded |  | 1,025
With an allowance recorded |  | 1,088
Allowance for Loan Losses Allocated |  | 1,078
Average Amortized Cost Basis |  |
With no related allowance recorded | 431 | 814
With an allowance recorded | 1,328 | 1,453
Interest Income Recognized |  |
With no related allowance recorded | 0 | 0
With an allowance recorded | 55 | 5
Commercial and Agricultural Sector | Agricultural |  |
Average Amortized Cost Basis |  |
With no related allowance recorded | 0 | 0
With an allowance recorded | 11 | 0
Interest Income Recognized |  |
With no related allowance recorded | 0 | 0
With an allowance recorded | $ 0 | $ 0

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