LOANS - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	$ 7,713	$ 5,558
Commercial, financial and agriculture
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	1,081
Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	5,251	4,560
Consumer real estate
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	1,366	998
Consumer installment
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	15
Real Property
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	6,617	5,558
Real Property | Commercial, financial and agriculture
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	0
Real Property | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	5,251	4,560
Real Property | Consumer real estate
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	1,366	$ 998
Real Property | Consumer installment
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	0
Miscellaneous
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	1,096
Miscellaneous | Commercial, financial and agriculture
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	1,081
Miscellaneous | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	0
Miscellaneous | Consumer real estate
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	0
Miscellaneous | Consumer installment
Financing Receivable, Recorded Investment [Line Items]
Amortized cost basis, collateral dependent loans	$ 15