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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023 | Sep. 30, 2023
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Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | $ 15,042 | $ 13,184 | $ 13,456
Nonaccrual with no Allowance for Credit Losses | 14,426 | 12,939 | 13,204
Commercial/Agricultural Real Estate | Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 4,778 | 10,359 | 10,570
Nonaccrual with no Allowance for Credit Losses | 4,547 | 10,347 | 10,556
Commercial/Agricultural Real Estate | Agricultural real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 6,193 | 391 | 469
Nonaccrual with no Allowance for Credit Losses | 6,193 | 391 | 469
Commercial/Agricultural Real Estate | Construction and land development |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 106 | 54 | 94
Nonaccrual with no Allowance for Credit Losses | 106 | 54 | 94
C&I/Agricultural operating: | Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 1,956 |  |
Nonaccrual with no Allowance for Credit Losses | 1,775 |  |
C&I/Agricultural operating: | Agricultural operating |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 901 | 1,180 | 1,373
Nonaccrual with no Allowance for Credit Losses | 901 | 1,180 | 1,373
Residential mortgage: | Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 971 | 1,167 | 923
Nonaccrual with no Allowance for Credit Losses | 767 | 934 | 685
Residential mortgage: | Purchased HELOC loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 117 |  |
Nonaccrual with no Allowance for Credit Losses | 117 |  |
Consumer installment: | Originated indirect paper |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 19 | 15 | 26
Nonaccrual with no Allowance for Credit Losses | 19 | 15 | 26
Consumer installment: | Other consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Nonaccrual Loans | 1 | 18 | 1
Nonaccrual with no Allowance for Credit Losses | $ 1 | $ 18 | $ 1

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