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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details)
 9 Months Ended
Sep. 30, 2024
USD ($)
borrower
Dec. 31, 2023
USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amount of loan on which review have been made annually $ 1,000,000.0  
Amount of loan on which reviews require approval $ 500,000  
Loans that are deemed impaired, number of days past due (more than) 90 days  
Appraisals, required period interval 18 months  
Minimum amount on which annual updated appraisals for classified loans is required $ 250,000  
Total nonaccrual loans $ 26,927,000 $ 25,527,000
Number of borrowers experiencing financial difficulty that were given contract modifications | borrower 3  
Installment and other loans    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total nonaccrual loans $ 26,000 39,000
Commercial and industrial    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total nonaccrual loans 9,060,000 672,000
Acquisition and development | Commercial and land development    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total nonaccrual loans 3,655,000 1,361,000
Proceeds from collection of finance receivables 1,300,000  
Commercial    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total nonaccrual loans $ 1,600,000 $ 13,400,000
Maximum    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Percentage of loan-to-value ratio upon loan origination 80.00%  
Percentage of loan-to-value ratios of the value of the real estate taken as collateral 85.00%  
Percentage of strong loan-to-value (or lower) 70.00%