LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Information Pertaining to Impaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 39,977	$ 52,078
Allowance for Credit Losses	9,963	7,897
Commercial, financial and agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	7,365	2,613
Allowance for Credit Losses	6,646	723
Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	0	2,989
Allowance for Credit Losses	0	30
Real estate – construction and development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	280	1,432
Allowance for Credit Losses	0	45
Real estate – commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	16,186	33,332
Allowance for Credit Losses	1,207	6,646
Real estate – residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	16,146	11,712
Allowance for Credit Losses	$ 2,110	$ 453