LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Collateral Dependent (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	$ 4,187	$ 6,471
Related Allowance	24,209	21,388	$ 22,517
Commercial and agricultural:
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	693	1,512
Related Allowance	4,524	4,520	5,055
Commercial Mortgages
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	3,167	4,959
Related Allowance	14,363	11,214	12,026
Consumer Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	327	0
Related Allowance	2,534	3,395	$ 3,242
Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	2,173	5,089
Related Allowance	203	171
Commercial Real Estate And Business Assets \| Commercial and agricultural: \| Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	50	130
Related Allowance	0	65
Commercial Real Estate and Residential Real Estate \| Commercial Mortgages \| Owner occupied commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	629	1,377
Related Allowance	4	15
Commercial Real Estate and Residential Real Estate \| Commercial Mortgages \| Non-owner occupied commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	1,167	3,582
Related Allowance	199	91
Residential Real Estate \| Consumer Loans \| Home equity lines and loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	327	0
Related Allowance	$ 0	$ 0

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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