ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	$ 1,408	$ 3,225
General Business  Assets	12,230	25,147
Other	1,673	1,397
Total	15,311	29,769
Commercial and Industrial | Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	50	50
General Business  Assets	2,454	5,402
Other	0	0
Total	2,504	5,452
Commercial and Industrial | Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	40	544
General Business  Assets	8,202	18,109
Other	400	229
Total	8,642	18,882
Commercial Real Estate and Multi-family Residential | Owner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	595	413
General Business  Assets	1,474	1,491
Other	1,161	1,161
Total	3,230	3,065
Commercial Real Estate and Multi-family Residential | Nonowner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business  Assets	0	0
Other	0	0
Total	0	0
Agri-business and Agricultural | Loans secured by farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business  Assets	100	145
Other	0	0
Total	100	145
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	559	2,030
General Business  Assets	0	0
Other	0	0
Total	559	2,030
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	164	188
General Business  Assets	0	0
Other	0	0
Total	164	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	112	7
Total	$ 112	$ 7