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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Troubled Debt Restructurings (TDRs) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) loan | Mar. 31, 2021 USD ($) loan | Dec. 31, 2021 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 228 |  | 232
TDRs, amount | $ 8,134 |  | $ 8,239
Loans modified in TDR during the year, number | loan | 8 | 10 |
Loans modified in TDR during the year, amount | $ 230 | $ 183 |
Minimum |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Threshold balance of loan individually evaluated for impairment | 500 |  |
Maximum |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Threshold balance of TDR loans collectively included in general loan loss allocation and qualitative review | $ 500 |  |
Nonaccrual [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 79 |  | 81
TDRs, amount | $ 3,883 |  | $ 3,940
Accruing [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 149 |  | 151
TDRs, amount | $ 4,251 |  | $ 4,299
Commercial Portfolio Segment | Business Lending |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 14 |  | 14
TDRs, amount | $ 1,809 |  | $ 1,822
Loans modified in TDR during the year, number | loan | 0 | 0 |
Loans modified in TDR during the year, amount | $ 0 | $ 0 |
Commercial Portfolio Segment | Business Lending | Nonaccrual [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 10 |  | 10
TDRs, amount | $ 1,002 |  | $ 1,011
Commercial Portfolio Segment | Business Lending | Accruing [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 4 |  | 4
TDRs, amount | $ 807 |  | $ 811
Residential Portfolio Segment | Consumer Mortgage |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 107 |  | 108
TDRs, amount | $ 5,122 |  | $ 5,114
Loans modified in TDR during the year, number | loan | 4 | 3 |
Loans modified in TDR during the year, amount | $ 195 | $ 110 |
Residential Portfolio Segment | Consumer Mortgage | Nonaccrual [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 59 |  | 61
TDRs, amount | $ 2,654 |  | $ 2,694
Residential Portfolio Segment | Consumer Mortgage | Accruing [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 48 |  | 47
TDRs, amount | $ 2,468 |  | $ 2,420
Consumer Portfolio Segment | Consumer Indirect |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 69 |  | 72
TDRs, amount | $ 746 |  | $ 829
Loans modified in TDR during the year, number | loan | 4 | 6 |
Loans modified in TDR during the year, amount | $ 35 | $ 66 |
Consumer Portfolio Segment | Consumer Indirect | Nonaccrual [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 0 |  | 0
TDRs, amount | $ 0 |  | $ 0
Consumer Portfolio Segment | Consumer Indirect | Accruing [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 69 |  | 72
TDRs, amount | $ 746 |  | $ 829
Consumer Portfolio Segment | Consumer Direct |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 16 |  | 16
TDRs, amount | $ 5 |  | $ 7
Loans modified in TDR during the year, number | loan | 0 | 1 |
Loans modified in TDR during the year, amount | $ 0 | $ 7 |
Consumer Portfolio Segment | Consumer Direct | Nonaccrual [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 0 |  | 0
TDRs, amount | $ 0 |  | $ 0
Consumer Portfolio Segment | Consumer Direct | Accruing [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 16 |  | 16
TDRs, amount | $ 5 |  | $ 7
Consumer Portfolio Segment | Home Equity |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 22 |  | 22
TDRs, amount | $ 452 |  | $ 467
Loans modified in TDR during the year, number | loan | 0 | 0 |
Loans modified in TDR during the year, amount | $ 0 | $ 0 |
Consumer Portfolio Segment | Home Equity | Nonaccrual [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 10 |  | 10
TDRs, amount | $ 227 |  | $ 235
Consumer Portfolio Segment | Home Equity | Accruing [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
TDRs, number | loan | 12 |  | 12
TDRs, amount | $ 225 |  | $ 232

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