v3.26.1
Note 3 - Investment Securities (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) $ 42   $ 42   $ 211
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable   Accrued interest receivable   Accrued interest receivable
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss $ 260   $ 260   $ 267
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable   Accrued interest receivable    
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss $ 119   $ 119   121
Proceeds from Sale of Debt Securities, Available-for-Sale 0 $ 0 0 $ 0  
Asset Pledged as Collateral [Member] | Government Deposits and Securities Sold Under Repurchase Agreement [Member]          
Debt Securities $ 59,400   $ 59,400   $ 21,000