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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans Accounted for on a Nonaccrual Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | $ 179,398 | $ 151,117
Financing receivable, nonaccrual, no allowance | 88,438 | 86,577
Commercial, financial and agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | 14,896 | 8,059
Financing receivable, nonaccrual, no allowance | 685 | 2,049
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | 675 | 1,153
Indirect automobile |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | 218 | 299
Real estate – construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | 3,248 | 282
Financing receivable, nonaccrual, no allowance | 3,000 | 0
Real estate – commercial and farmland |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | 17,900 | 11,295
Financing receivable, nonaccrual, no allowance | 1,238 | 9,109
Real estate – residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | 142,461 | 130,029
Financing receivable, nonaccrual, no allowance | 83,515 | 75,419
Real estate – residential | GNMA |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, nonaccrual | $ 93,500 | $ 90,200

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