ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Amortized Cost Basis Of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	$ 1,395	$ 3,225
General Business  Assets	13,332	25,147
Other	1,668	1,397
Total	16,395	29,769
Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	50	50
General Business  Assets	5,063	5,402
Other	109	0
Total	5,222	5,452
Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	44	544
General Business  Assets	6,689	18,109
Other	394	229
Total	7,127	18,882
Commercial Real Estate and Multifamily Residential | Owner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	617	413
General Business  Assets	1,476	1,491
Other	1,161	1,161
Total	3,254	3,065
Agri-business and agricultural loans: | Loans secured by farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business  Assets	104	145
Other	0	0
Total	104	145
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	482	2,030
General Business  Assets	0	0
Other	0	0
Total	482	2,030
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	202	188
General Business  Assets	0	0
Other	0	0
Total	202	188
Consumer 1-4 Family Mortgage | Other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business  Assets	0	0
Other	4	7
Total	$ 4	$ 7