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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Modifications (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 3,277 |
Commercial and Agricultural | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 1,011 |
% of Loan Class | 0.38% |
Weighted-average interest rate reduction (%) |  | 0.00%
Weighted-average term extension (in months) |  | 12 months
Commercial and Agricultural | Agricultural |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |
% of Loan Class | 0.00% |
Weighted-average interest rate reduction (%) |  | 0.00%
Commercial Mortgages | Construction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |
% of Loan Class | 0.00% |
Weighted-average interest rate reduction (%) |  | 0.00%
Commercial Mortgages | Commercial mortgages, other |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 2,150 |
% of Loan Class | 0.22% |
Weighted-average interest rate reduction (%) |  | 0.00%
Weighted-average term extension (in months) |  | 60 months
Weighted-average payment delay (in months) |  | 4 months
Residential Mortgages |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |
% of Loan Class | 0.00% |
Weighted-average interest rate reduction (%) |  | 0.00%
Consumer Loans | Home equity lines and loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 116 |
% of Loan Class | 0.13% |
Weighted-average interest rate reduction (%) |  | 0.00%
Weighted-average term extension (in months) |  | 180 months
Consumer Loans | Indirect consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |
% of Loan Class | 0.00% |
Weighted-average interest rate reduction (%) |  | 0.00%
Consumer Loans | Direct consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |
% of Loan Class | 0.00% |
Weighted-average interest rate reduction (%) |  | 0.00%
Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |
Principal Reduction | Commercial and Agricultural | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | $ 0
Principal Reduction | Commercial and Agricultural | Agricultural |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | 0
Principal Reduction | Commercial Mortgages | Construction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | 0
Principal Reduction | Commercial Mortgages | Commercial mortgages, other |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | 0
Principal Reduction | Residential Mortgages |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | 0
Principal Reduction | Consumer Loans | Home equity lines and loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | 0
Principal Reduction | Consumer Loans | Indirect consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | 0
Principal Reduction | Consumer Loans | Direct consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Principal Reduction | 0 | $ 0
Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Commercial and Agricultural | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Commercial and Agricultural | Agricultural |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Commercial Mortgages | Construction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Commercial Mortgages | Commercial mortgages, other |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Residential Mortgages |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Consumer Loans | Home equity lines and loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Consumer Loans | Indirect consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Interest Rate Reduction | Consumer Loans | Direct consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Term Extension |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 1,399 |
Term Extension | Commercial and Agricultural | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 1,011 |
Term Extension | Commercial and Agricultural | Agricultural |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Term Extension | Commercial Mortgages | Construction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Term Extension | Commercial Mortgages | Commercial mortgages, other |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 272 |
Term Extension | Residential Mortgages |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Term Extension | Consumer Loans | Home equity lines and loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 116 |
Term Extension | Consumer Loans | Indirect consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Term Extension | Consumer Loans | Direct consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 1,878 |
Payment Delay | Commercial and Agricultural | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay | Commercial and Agricultural | Agricultural |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay | Commercial Mortgages | Construction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay | Commercial Mortgages | Commercial mortgages, other |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 1,878 |
Payment Delay | Residential Mortgages |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay | Consumer Loans | Home equity lines and loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay | Consumer Loans | Indirect consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Payment Delay | Consumer Loans | Direct consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Commercial and Agricultural | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Commercial and Agricultural | Agricultural |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Commercial Mortgages | Construction |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Commercial Mortgages | Commercial mortgages, other |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Residential Mortgages |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Consumer Loans | Home equity lines and loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Consumer Loans | Indirect consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | 0 |
Combination | Consumer Loans | Direct consumer loans |  |
Financing Receivable, Modifications [Line Items] |  |
Amortized cost basis | $ 0 |

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