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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Troubled Debt Restructuring (TDR) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) loan
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 194 | 232
Financing Receivable, Troubled Debt Restructuring | $ 5,629 | $ 8,239
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 784 | $ 3,087
Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 62 | 81
Financing Receivable, Troubled Debt Restructuring | $ 2,461 | $ 3,940
Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 132 | 151
Financing Receivable, Troubled Debt Restructuring | $ 3,168 | $ 4,299
Consumer mortgage |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 108
Financing Receivable, Troubled Debt Restructuring |  | $ 5,114
Consumer mortgage | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 61
Financing Receivable, Troubled Debt Restructuring |  | $ 2,694
Consumer mortgage | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 47
Financing Receivable, Troubled Debt Restructuring |  | $ 2,420
Consumer indirect |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 72
Financing Receivable, Troubled Debt Restructuring |  | $ 829
Consumer indirect | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 0
Financing Receivable, Troubled Debt Restructuring |  | $ 0
Consumer indirect | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 72
Financing Receivable, Troubled Debt Restructuring |  | $ 829
Consumer direct |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 16
Financing Receivable, Troubled Debt Restructuring |  | $ 7
Consumer direct | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 0
Financing Receivable, Troubled Debt Restructuring |  | $ 0
Consumer direct | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 16
Financing Receivable, Troubled Debt Restructuring |  | $ 7
Home equity |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 22
Financing Receivable, Troubled Debt Restructuring |  | $ 467
Home equity | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 10
Financing Receivable, Troubled Debt Restructuring |  | $ 235
Home equity | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 12
Financing Receivable, Troubled Debt Restructuring |  | $ 232
Residential Portfolio Segment | Consumer mortgage |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 98 |
Financing Receivable, Troubled Debt Restructuring | $ 4,332 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 597 | $ 1,425
Residential Portfolio Segment | Consumer mortgage | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 52 |
Financing Receivable, Troubled Debt Restructuring | $ 2,218 |
Residential Portfolio Segment | Consumer mortgage | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 46 |
Financing Receivable, Troubled Debt Restructuring | $ 2,114 |
Commercial Portfolio Segment | CRE - multifamily |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 2 | 2
Financing Receivable, Troubled Debt Restructuring | $ 201 | $ 211
Commercial Portfolio Segment | CRE - multifamily | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 1 | 1
Financing Receivable, Troubled Debt Restructuring | $ 135 | $ 135
Commercial Portfolio Segment | CRE - multifamily | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 1 | 1
Financing Receivable, Troubled Debt Restructuring | $ 66 | $ 76
Commercial Portfolio Segment | CRE - owner occupied |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 7
Financing Receivable, Troubled Debt Restructuring |  | $ 1,396
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 1,371
Commercial Portfolio Segment | CRE - owner occupied | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 6
Financing Receivable, Troubled Debt Restructuring |  | $ 711
Commercial Portfolio Segment | CRE - owner occupied | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan |  | 1
Financing Receivable, Troubled Debt Restructuring |  | $ 685
Commercial Portfolio Segment | Commercial & industrial and other business loans |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 2 | 5
Financing Receivable, Troubled Debt Restructuring | $ 205 | $ 215
Commercial Portfolio Segment | Commercial & industrial and other business loans | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 0 | 3
Financing Receivable, Troubled Debt Restructuring | $ 0 | $ 165
Commercial Portfolio Segment | Commercial & industrial and other business loans | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 2 | 2
Financing Receivable, Troubled Debt Restructuring | $ 205 | $ 50
Consumer Portfolio Segment | Consumer indirect |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 56 |
Financing Receivable, Troubled Debt Restructuring | $ 600 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 178 | 284
Consumer Portfolio Segment | Consumer indirect | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 0 |
Financing Receivable, Troubled Debt Restructuring | $ 0 |
Consumer Portfolio Segment | Consumer indirect | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 56 |
Financing Receivable, Troubled Debt Restructuring | $ 600 |
Consumer Portfolio Segment | Consumer direct |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 18 |
Financing Receivable, Troubled Debt Restructuring | $ 5 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 5 | 7
Consumer Portfolio Segment | Consumer direct | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 0 |
Financing Receivable, Troubled Debt Restructuring | $ 0 |
Consumer Portfolio Segment | Consumer direct | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 18 |
Financing Receivable, Troubled Debt Restructuring | $ 5 |
Consumer Portfolio Segment | Home equity |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 18 |
Financing Receivable, Troubled Debt Restructuring | $ 286 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 4 | $ 0
Consumer Portfolio Segment | Home equity | Nonaccrual [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 9 |
Financing Receivable, Troubled Debt Restructuring | $ 108 |
Consumer Portfolio Segment | Home equity | Accruing [Member] |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |
TDRs, number | loan | 9 |
Financing Receivable, Troubled Debt Restructuring | $ 178 |

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