LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 4,846	$ 6,518
Nonaccrual	7,762	8,954
Loans Past Due 90 Days or More and Still Accruing	21	23
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	154	76
Nonaccrual	763	1,534
Loans Past Due 90 Days or More and Still Accruing	21	23
Commercial Mortgages | Construction
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	0	0
Nonaccrual	0	0
Loans Past Due 90 Days or More and Still Accruing	0	0
Commercial Mortgages | Owner occupied commercial real estate
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	652	1,362
Nonaccrual	658	1,377
Loans Past Due 90 Days or More and Still Accruing	0	0
Commercial Mortgages | Non-owner occupied commercial real estate
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	157	2,619
Nonaccrual	2,458	3,582
Loans Past Due 90 Days or More and Still Accruing	0	0
Residential Mortgages
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,905	1,372
Nonaccrual	1,905	1,372
Loans Past Due 90 Days or More and Still Accruing	0	0
Consumer Loans | Home equity lines and loans
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,009	613
Nonaccrual	1,009	613
Loans Past Due 90 Days or More and Still Accruing	0	0
Consumer Loans | Indirect consumer
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	862	474
Nonaccrual	862	474
Loans Past Due 90 Days or More and Still Accruing	0	0
Consumer Loans | Direct consumer
Financing Receivable, Impaired [Line Items]
Nonaccrual with No Allowance for Credit Losses	107	2
Nonaccrual	107	2
Loans Past Due 90 Days or More and Still Accruing	$ 0	$ 0