v3.26.3
Note 3 - Loans Receivable (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) $ 23,500,000     $ 23,500,000     $ 21,500,000  
Financing Receivable, Accrued Interest, after Allowance for Credit Loss 6,000,000     6,000,000     5,000,000  
Financing Receivable, Nonaccrual, Interest Income 16,000 $ 14,000   182,000 $ 45,000      
Financing Receivable, Individually Evaluated for Credit Loss 23,200,000     23,200,000     25,900,000  
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount       0        
Other Real Estate 1,101,000 1,377,000 $ 1,297,000 1,101,000 $ 1,377,000 $ 1,568,000 1,380,000 $ 0
Commercial Portfolio Segment [Member] | Construction Loans [Member]                
Financing Receivable, Individually Evaluated for Credit Loss, Still Accruing 4,500,000     4,500,000     4,500,000  
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Extended Maturity and Interest Rate Reduction [Member]                
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount   $ 5,500,000            
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Payment Deferral [Member]                
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount     $ 4,100,000          
Valuation Technique, Discounted Cash Flow [Member]                
Financing Receivable, Individually Evaluated for Credit Loss 818,000     818,000     303,000  
Valuation Technique, Underlying Value of Collateral [Member]                
Financing Receivable, Individually Evaluated for Credit Loss $ 22,300,000     $ 22,300,000     $ 25,600,000