ALLOWANCE FOR CREDIT LOSSES - Amortized cost basis of collateral dependent loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	$ 8,836	$ 13,920
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	13,110	156
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	2,008,433	1,978,358
Commercial | Commercial & Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	649,524	675,323
Commercial | Commercial & Industrial | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	1,454	4,613
Commercial | Commercial & Industrial | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	12,056	1
Commercial | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	130,606	125,375
Commercial | Farmland | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	1,633	3,289
Commercial | Non Farm, Non Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	437,661	386,542
Commercial | Non Farm, Non Residential | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	3,919	5,123
Commercial | Agriculture
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	138,022	135,500
Commercial | Agriculture | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	49
Commercial | Agriculture | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	1,054	155
Commercial | All Other Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	461,713	475,520
Commercial | All Other Commercial | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	1,027
Commercial | Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	190,907	180,098
Residential | First Liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	358,166	346,972
Residential | First Liens | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	32
Residential | Home Equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	65,581	64,119
Residential | Junior Liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	58,663	56,836
Residential | Multifamily | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	373	895
Residential | All Other Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	22,471	25,439
Residential | All Other Residential | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	349
Consumer | Motor Vehicle
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	614,559	555,302
Consumer | All Other Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	$ 32,199	$ 33,237