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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2024
Commercial and industrial | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  | $ 8 | $ 8 | $ 1,450
% of Total Class of Financing Receivables |  | 0.01% | 0.01% | 1.14%
Commercial and industrial | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis | $ 920 |  |  | $ 920
% of Total Class of Financing Receivables | 0.72% |  |  | 0.72%
Residential mortgage | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 37 |
% of Total Class of Financing Receivables |  |  | 0.03% |
Residential mortgage | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis | $ 163 | $ 69 | $ 69 | $ 245
% of Total Class of Financing Receivables | 0.12% | 0.06% | 0.06% | 0.18%
Commercial real estate | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 5,337 | $ 4,434
% of Total Class of Financing Receivables |  |  | 0.73% | 0.61%
Agricultural operating | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  | $ 179 | $ 179 |
% of Total Class of Financing Receivables |  | 0.73% | 0.73% |
Other consumer | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 22 |
% of Total Class of Financing Receivables |  |  | 0.34% |

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