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ALLOWANCE FOR LOAN LOSSES - Loan losses by portfolio segment (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | $ 12,398,000 | $ 11,345,000 | $ 9,279,000
Charge-Offs | (1,849,000) | (294,000) | (487,000)
Recoveries | 144,000 | 247,000 | 178,000
Provision (Credit) | 50,000 | 1,100,000 | 2,375,000
Balance at End of Period | 10,743,000 | 12,398,000 | 11,345,000
Commercial. |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 3,071,000 |  |
Charge-Offs | (97,000) |  |
Recoveries | 4,000 |  |
Provision (Credit) | (325,000) |  |
Balance at End of Period | 2,653,000 | 3,071,000 |
Commercial loans secured by non-owner occupied real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 6,392,000 |  |
Charge-Offs | (1,390,000) |  |
Recoveries | 54,000 |  |
Provision (Credit) | 916,000 |  |
Balance at End of Period | 5,972,000 | 6,392,000 |
Commercial loans secured by non-owner occupied real estate | COVID 19 |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Provision (Credit) | 916,000 | 968,000 | 2,200,000
Real estate - residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 1,590,000 |  |
Charge-Offs | (28,000) |  |
Recoveries | 19,000 |  |
Provision (Credit) | (201,000) |  |
Balance at End of Period | 1,380,000 | 1,590,000 |
CONSUMER |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 113,000 |  |
Charge-Offs | (334,000) |  |
Recoveries | 67,000 |  |
Provision (Credit) | 239,000 |  |
Balance at End of Period | 85,000 | 113,000 |
Allocation for general risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 1,232,000 | 1,093,000 | 924,000
Charge-Offs | 0 |  |
Recoveries | 0 |  |
Provision (Credit) | (579,000) | 139,000 | 169,000
Balance at End of Period | 653,000 | 1,232,000 | 1,093,000
Commercial | COVID 19 |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Provision (Credit) | 325,000 | (344,000) | (372,000)
Commercial | Commercial. |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 3,071,000 | 3,472,000 | 3,951,000
Charge-Offs |  | (146,000) | (111,000)
Recoveries |  | 89,000 | 4,000
Provision (Credit) |  | (344,000) | (372,000)
Balance at End of Period | 2,653,000 | 3,071,000 | 3,472,000
Commercial | Commercial loans secured by non-owner occupied real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 6,392,000 | 5,373,000 | 3,119,000
Recoveries |  | 51,000 | 44,000
Provision (Credit) |  | 968,000 | 2,210,000
Balance at End of Period | 5,972,000 | 6,392,000 | 5,373,000
Consumer. | Real estate - residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 1,590,000 | 1,292,000 | 1,159,000
Charge-Offs |  | (17,000) | (233,000)
Recoveries |  | 49,000 | 62,000
Provision (Credit) |  | 266,000 | 304,000
Balance at End of Period | 1,380,000 | 1,590,000 | 1,292,000
Consumer. | CONSUMER |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Balance at Beginning of Period | 113,000 | 115,000 | 126,000
Charge-Offs |  | (131,000) | (143,000)
Recoveries |  | 58,000 | 68,000
Provision (Credit) |  | 71,000 | 64,000
Balance at End of Period | $ 85,000 | $ 113,000 | $ 115,000

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