ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Schedule of Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	$ 5,023	$ 3,698
General Business  Assets	32,374	74,191
Other	926	738
Total	38,323	78,627
Total commercial loans | Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	536	50
General Business  Assets	22,945	64,023
Other	638	447
Total	24,119	64,520
Total commercial loans | Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	52	1,891
General Business  Assets	7,633	6,585
Other	5	19
Total	7,690	8,495
Total commercial loans | Commercial real estate and multi-family residential loans: | Owner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	309	318
General Business  Assets	1,741	3,512
Other	0	0
Total	2,050	3,830
Total commercial loans | Agri-business and agricultural loans: | Loans secured by farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business  Assets	55	71
Other	0	0
Total	55	71
Total consumer loans | Other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business  Assets	0	0
Other	283	272
Total	283	272
Total consumer loans | Consumer 1-4 family mortgage loans: | Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	1,962	1,121
General Business  Assets	0	0
Other	0	0
Total	1,962	1,121
Total consumer loans | Consumer 1-4 family mortgage loans: | Open end and junior lien loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	2,164	318
General Business  Assets	0	0
Other	0	0
Total	$ 2,164	$ 318