FAIR VALUE - Quantitative Information about Level 3 Fair Value Measurements for Financial Instruments Measured at Fair Value on Non Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - Significant Unobservable Inputs (Level 3) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Farmland
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 430	$ 736
Farmland | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.31
Farmland | Minimum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)		0.29
Farmland | Maximum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)		0.31
Farmland | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.31	0.30
Owner-occupied, nonfarm nonresidential properties
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 4,080	$ 5,589
Owner-occupied, nonfarm nonresidential properties | Minimum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0	0.09
Owner-occupied, nonfarm nonresidential properties | Maximum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	1	1
Owner-occupied, nonfarm nonresidential properties | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.31	0.14
Commercial and Industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 4,696	$ 7,425
Commercial and Industrial | Minimum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.04	0.08
Commercial and Industrial | Maximum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.53	0.75
Commercial and Industrial | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.20	0.31
Other construction loans and all land development and other land loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 1,255	$ 1,299
Other construction loans and all land development and other land loans | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.32	0.32
Other construction loans and all land development and other land loans | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.32	0.32
Multifamily (5 or more) residential properties
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 300	$ 305
Multifamily (5 or more) residential properties | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.30	0.28
Multifamily (5 or more) residential properties | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.30	0.28
Non-owner occupied, nonfarm nonresidential properties
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 6,970	$ 7,216
Non-owner occupied, nonfarm nonresidential properties | Minimum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.28	0.32
Non-owner occupied, nonfarm nonresidential properties | Maximum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.49	0.48
Non-owner occupied, nonfarm nonresidential properties | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.44	0.43
Home equity lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 302	$ 308
Home equity lines of credit | Minimum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.17	0.15
Home equity lines of credit | Maximum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.19	0.17
Home equity lines of credit | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.17	0.15
Residential Mortgages secured by first liens
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 839	$ 871
Residential Mortgages secured by first liens | Minimum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.19	0.17
Residential Mortgages secured by first liens | Maximum | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.44	0.42
Residential Mortgages secured by first liens | Weighted Average | Measurement Input, Loss Severity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.33	0.31