v3.26.1
Note 2 - Loans and Allowance for Credit Losses - Details of the Collateral Dependent Loan (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]          
Related allowance $ 10,047 $ 10,047 $ 9,892 $ 10,422 $ 10,262
Collateral Pledged [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Total Loans   6,846 6,921    
Related allowance   0 0    
Consumer Real Estate Portfolio Segment [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Related allowance 3,816 3,816 3,823 3,936 3,945
Commercial Real Estate Portfolio Segment [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Related allowance $ 3,834 3,834 3,805 $ 4,435 $ 4,320
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Collateral Pledged [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Total Loans   6,183 6,248    
Related allowance   0 0    
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Collateral Pledged [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Total Loans   663 673    
Related allowance   $ 0 $ 0