ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Schedule of Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	$ 8,601	$ 9,197
General Business  Assets	30,212	29,317
Other	1,014	1,138
Total	39,827	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	2,388	2,388
General Business  Assets	23,997	23,827
Other	570	673
Total	26,955	26,888
Total commercial loans | Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	25	464
General Business  Assets	4,455	3,715
Other	43	49
Total	4,523	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	473	476
General Business  Assets	1,716	1,726
Other	0	0
Total	2,189	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	44	49
Other	0	0
Total	44	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	401	416
Total	401	416
Total consumer loans | Consumer 1-4 family mortgage loans: | Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	3,100	1,725
General Business  Assets	0	0
Other	0	0
Total	3,100	1,725
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	657	2,186
General Business  Assets	0	0
Other	0	0
Total	$ 657	$ 2,186