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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Information Pertaining to Impaired Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | $ 57,162 | $ 41,773
Allowance for Credit Losses | 8,960 | 9,801
Commercial, financial and agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 8,451 | 7,128
Allowance for Credit Losses | 5,740 | 6,294
Mortgage warehouse |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 16,500 | 0
Allowance for Credit Losses | 0 | 0
Premium finance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 694 | 3,233
Allowance for Credit Losses | 0 | 0
Real estate – construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 280 | 780
Allowance for Credit Losses | 23 | 13
Real estate – commercial and farmland |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 12,554 | 15,168
Allowance for Credit Losses | 1,104 | 1,428
Real estate – residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 18,683 | 15,464
Allowance for Credit Losses | $ 2,093 | $ 2,066

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