LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Information Pertaining to Impaired Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 39,968	$ 52,078
Allowance for Credit Losses	3,935	7,897
Commercial, financial and agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,695	2,613
Allowance for Credit Losses	168	723
Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,136	2,989
Allowance for Credit Losses	91	30
Real estate – construction and development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	0	1,432
Allowance for Credit Losses	0	45
Real estate – commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	22,820	33,332
Allowance for Credit Losses	2,096	6,646
Real estate – residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	14,317	11,712
Allowance for Credit Losses	$ 1,580	$ 453