v3.26.1
Note 9 - Fair Value Measurements (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Loans Receivable, Fair Value Disclosure $ 13,159,000   $ 13,159,000   $ 13,183,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,660,157,000   2,660,157,000   2,655,109,000
Residential Mortgage [Member] | Fair Value, Inputs, Level 2 [Member]          
Loans Receivable, Fair Value Disclosure 13,200,000   13,200,000    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 13,800,000   13,800,000   $ 13,800,000
Increase (Decrease) in Finance Receivables $ 45,000 $ 3,000 $ (56,000) $ 266,000