FAIR VALUE - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Farmland
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		$ 829
Farmland | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	$ 0	0
Farmland | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Farmland | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	763	829
Fair value	763	829
Owner-occupied, nonfarm nonresidential properties
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		1,071
Owner-occupied, nonfarm nonresidential properties | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Owner-occupied, nonfarm nonresidential properties | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Owner-occupied, nonfarm nonresidential properties | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	5,593	1,071
Fair value	5,593	1,071
Commercial and Industrial
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		1,631
Commercial and Industrial | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Commercial and Industrial | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Commercial and Industrial | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	6,457	1,631
Fair value	6,457	1,631
Other construction loans and all land development and other land loans
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	1,299	501
Other construction loans and all land development and other land loans | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Other construction loans and all land development and other land loans | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Other construction loans and all land development and other land loans | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	1,299	501
Fair value	1,299	501
Multifamily (5 or more) residential properties
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		613
Multifamily (5 or more) residential properties | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Multifamily (5 or more) residential properties | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Multifamily (5 or more) residential properties | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	305	613
Fair value	305	613
Non-owner occupied, nonfarm nonresidential properties
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		3,867
Non-owner occupied, nonfarm nonresidential properties | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Non-owner occupied, nonfarm nonresidential properties | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Non-owner occupied, nonfarm nonresidential properties | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	7,279	3,867
Fair value	7,279	3,867
Home equity lines of credit
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		335
Home equity lines of credit | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Home equity lines of credit | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Home equity lines of credit | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	317	335
Fair value	317	335
Residential Mortgages secured by first liens
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		944
Residential Mortgages secured by first liens | Quoted Prices in Active Markets for Identical Assets (Level 1)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Residential Mortgages secured by first liens | Significant Other Observable Inputs (Level 2)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	0	0
Residential Mortgages secured by first liens | Significant Unobservable Inputs (Level 3)
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions	889	944
Fair value	$ 889	$ 944