ALLOWANCE FOR CREDIT LOSSES - Amortized cost basis of collateral dependent loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	$ 13,920	$ 28,506
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	156	720
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	1,978,358	1,853,035
Commercial | Commercial & Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	675,323	694,944
Commercial | Commercial & Industrial | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	4,613	17,734
Commercial | Commercial & Industrial | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	1	720
Commercial | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	125,375	139,068
Commercial | Farmland | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	3,289	3,669
Commercial | Non Farm, Non Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	386,542	360,558
Commercial | Non Farm, Non Residential | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	5,123	6,135
Commercial | Agriculture
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	135,500	140,233
Commercial | Agriculture | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	155
Commercial | All Other Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	475,520	339,263
Commercial | Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	180,098	178,969
Residential | First Liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	346,972	341,507
Residential | First Liens | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable		33
Residential | Home Equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	64,119	62,175
Residential | Junior Liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	56,836	50,516
Residential | Multifamily | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable		935
Residential | All Other Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	25,439	31,342
Residential | All Other Residential | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	895
Consumer | Motor Vehicle
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	555,302	440,503
Consumer | All Other Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable	$ 33,237	$ 33,523