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