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LOANS - Troubled Debt Restructuring (TDR) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) loan | Sep. 30, 2022 USD ($) loan | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 194
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 5,629
Financing Receivable, Modifications, Number of Contracts | 9 | 20 |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 258 | $ 595 |  |
Minimum |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
Threshold balance of loan individually evaluated for impairment |  |  | $ 500 |
Nonaccrual [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 62
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 2,461
Accruing [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 132
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 3,168
Residential Portfolio Segment | Home equity |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 18
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 286
Financing Receivable, Modifications, Number of Contracts | loan | 0 | 1 |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 6 |  |
Residential Portfolio Segment | Home equity | Nonaccrual [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 9
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 108
Residential Portfolio Segment | Home equity | Accruing [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 9
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 178
Commercial Portfolio Segment | Business lending |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 4
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 406
Financing Receivable, Modifications, Number of Contracts | loan | 0 | 0 |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 |  |
Commercial Portfolio Segment | Business lending | Nonaccrual [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 1
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 135
Commercial Portfolio Segment | Business lending | Accruing [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 3
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 271
Consumer Portfolio Segment | Consumer mortgage |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 98
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 4,332
Financing Receivable, Modifications, Number of Contracts | loan | 1 | 5 |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 184 | $ 459 |  |
Consumer Portfolio Segment | Consumer mortgage | Nonaccrual [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 52
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 2,218
Consumer Portfolio Segment | Consumer mortgage | Accruing [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 46
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 2,114
Consumer Portfolio Segment | Consumer indirect |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 56
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 600
Financing Receivable, Modifications, Number of Contracts | loan | 6 | 12 |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 71 | $ 127 |  |
Consumer Portfolio Segment | Consumer indirect | Nonaccrual [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 0
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 0
Consumer Portfolio Segment | Consumer indirect | Accruing [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 56
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 600
Consumer Portfolio Segment | Consumer direct |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 18
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 5
Financing Receivable, Modifications, Number of Contracts | loan | 2 | 2 |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 3 | $ 3 |  |
Consumer Portfolio Segment | Consumer direct | Nonaccrual [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 0
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 0
Consumer Portfolio Segment | Consumer direct | Accruing [Member] |  |  |  |
Troubled Debt Restructurings (TDRs) [Abstract] |  |  |  |
TDRs, number |  |  |  | 18
Financing Receivable, Troubled Debt Restructuring |  |  |  | $ 5

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