v3.26.1
Note 2 - Investment Securities (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Trading, and Equity Securities, FV-NI $ 0 $ 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions 675  
Debt Securities, Available-for-Sale, Unrealized Loss Position, Percent of Securities Cost Basis 13.50%  
Debt Securities, Available-for-Sale, Unrealized Loss Position, Percent of Amortized Cost of Investment Securities Portfolio 11.20%  
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions 610  
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss $ 2,200 $ 1,900
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Interest Receivable Interest Receivable
Asset Not Pledged as Collateral and Asset Pledged as Collateral without Right [Member]    
Debt Securities $ 75,600 $ 68,100