FAIR VALUE - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Farmland
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		$ 736
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	430	736
Fair value	430	736
Owner-occupied, nonfarm nonresidential properties
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		5,589
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	4,080	5,589
Fair value	4,080	5,589
Commercial and Industrial
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		7,425
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	4,696	7,425
Fair value	4,696	7,425
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	1,255	1,299
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	1,255	1,299
Fair value	1,255	1,299
Multifamily (5 or more) residential properties
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		305
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	300	305
Fair value	300	305
Non-owner occupied, nonfarm nonresidential properties
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		7,216
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	6,970	7,216
Fair value	6,970	7,216
Home equity lines of credit
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		308
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	302	308
Fair value	302	308
Residential Mortgages secured by first liens
Impaired Loans [Abstract]
Obligations (other than securities and leases) of states and political subdivisions		871
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	839	871
Fair value	$ 839	$ 871