ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Schedule of Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	$ 9,779	$ 9,197
General Business Assets	51,795	29,317
Other	1,221	1,138
Total	62,795	39,652
Total commercial loans \| Commercial and industrial loans: \| Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	2,268	2,388
General Business Assets	37,022	23,827
Other	536	673
Total	39,826	26,888
Total commercial loans \| Commercial and industrial loans: \| Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	324	464
General Business Assets	13,037	3,715
Other	36	49
Total	13,397	4,228
Total commercial loans \| Commercial real estate and multi-family residential loans: \| Owner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	936	476
General Business Assets	1,694	1,726
Other	0	0
Total	2,630	2,202
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	42	49
Other	0	0
Total	42	49
Nonowner occupied loans \| Commercial Real Estate and Multifamily Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	1,958	1,958
General Business Assets	0	0
Other	0	0
Total	1,958	1,958
Total consumer loans \| Other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0	0
General Business Assets	0	0
Other	649	416
Total	649	416
Total consumer loans \| Consumer 1-4 Family Mortgage \| Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	1,735	1,725
General Business Assets	0	0
Other	0	0
Total	1,735	1,725
Total consumer loans \| Consumer 1-4 Family Mortgage \| Open end and junior lien loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	2,558	2,186
General Business Assets	0	0
Other	0	0
Total	$ 2,558	$ 2,186