v3.26.1
Note 2 - Loans and Allowance for Credit Losses (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Loans
Jun. 30, 2025
Loans
Jun. 30, 2026
USD ($)
Loans
Jun. 30, 2025
Loans
Dec. 31, 2025
USD ($)
Loans
Financing Receivable, Allowance for Credit Loss [Line Items]          
Financing Receivable, after Allowance for Credit Loss $ 1,004,607,000   $ 1,004,607,000   $ 989,418,000
Financing Receivable, Accrued Interest, before Allowance for Credit Loss $ 3,780,000   3,780,000   $ 3,361,000
Maximum Loan amount indicated as risk graded     $ 400,000    
Number of loans modified for borrowers | Loans 0 0 0 0  
Consumer Real Estate Loans [Member] | Real Estate Construction Portfolio Segment[Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Number of consumer real estate loans with amortized cost | Loans 3   3   3
Mortgage Loans in Process of Foreclosure, Amount $ 130,000   $ 130,000   $ 126,000
Acquired Loans [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Financing Receivable, after Allowance for Credit Loss $ 4,957,000   $ 4,957,000   $ 5,551,000