LOANS AND CREDIT QUALITY (Collateral-Dependent Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]
Allocated ACL	$ 0	$ 0
Secured by 1-4 Family Residential Properties
Loans and Leases Receivable Disclosure [Line Items]
Collateral-Dependent Financing Receivable	13,504	13,180
Real Estate Portfolio Segment | Residential Mortgage
Loans and Leases Receivable Disclosure [Line Items]
Allocated ACL	0	0
Real Estate Portfolio Segment | Residential Mortgage | Secured by 1-4 Family Residential Properties
Loans and Leases Receivable Disclosure [Line Items]
Collateral-Dependent Financing Receivable	10,518	10,572
Real Estate Portfolio Segment | Home Equity
Loans and Leases Receivable Disclosure [Line Items]
Allocated ACL	0	0
Real Estate Portfolio Segment | Home Equity | Secured by 1-4 Family Residential Properties
Loans and Leases Receivable Disclosure [Line Items]
Collateral-Dependent Financing Receivable	$ 2,986	$ 2,608