v3.26.1
Note 5 - Loan Servicing (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Loan Servicing Fees Net of Amortization $ 533,000 $ 504,000 $ 541,000 $ 1,037,000 $ 1,129,000  
Servicing Asset [1] 5,864,000     5,864,000   $ 6,041,000
Mortgages [Member]            
Servicing Asset $ 9,500,000     $ 9,500,000   $ 9,700,000
Mortgages [Member] | Measurement Input, Discount Rate [Member]            
Servicing Asset, Measurement Input 0.1006     0.1006   0.1009
Mortgages [Member] | Measurement Input, Prepayment Rate [Member]            
Servicing Asset, Measurement Input 7.63     7.63   0.0793
Mortgages [Member] | Measurement Input, Default Rate [Member]            
Servicing Asset, Measurement Input 0.0009     0.0009   0.0011
Small Business Administration Loans [Member]            
Servicing Asset $ 1,900,000     $ 1,900,000   $ 1,800,000
Small Business Administration Loans [Member] | Measurement Input, Discount Rate [Member]            
Servicing Asset, Measurement Input 0.085     0.085   0.085
Small Business Administration Loans [Member] | Measurement Input, Prepayment Rate [Member]            
Servicing Asset, Measurement Input 28     28   27
Small Business Administration Loans [Member] | Measurement Input, Default Rate [Member]            
Servicing Asset, Measurement Input 1.04     1.04   0.0113
[1] See Note 5 - Loan Servicing for additional information.