v3.25.2
Note 6 - Investment Securities (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Security
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Security
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Investment Securities [Line Items]          
Proceeds from sale of investment securities     $ 0 $ 13,139,000  
Available-for-sale securities pledged as collateral $ 236,699,000   $ 236,699,000   $ 241,586,000
Debt Securities, Available-for-Sale, Restriction Type [Extensible Enumeration] us-gaap:AssetPledgedAsCollateralMember   us-gaap:AssetPledgedAsCollateralMember   us-gaap:AssetPledgedAsCollateralMember
Other than temporary impairment, credit losses recognized in earnings     $ 0 0  
Available-for-sale, amortized cost $ 617,167,000   617,167,000   $ 626,391,000
Available-for-sale [1] 544,262,000   544,262,000   546,559,000
Investment equity securities $ 0   0   $ 0
Proceeds from sale of investment equity securities     $ 0 1,210,000  
Pooled Trust Preferred Security [Member]          
Investment Securities [Line Items]          
Number of trust preferred securities | Security 1   1    
Available-for-sale, amortized cost $ 57,000   $ 57,000    
Available-for-sale 51,000   51,000    
Equity Securities [Member]          
Investment Securities [Line Items]          
Income tax expense (benefit) related to net recognized gains (losses) on sales of securities 0 $ 191,000 0 287,000  
Debt Securities [Member]          
Investment Securities [Line Items]          
Income tax expense (benefit) related to net realized gains (losses) on sales of securities $ 0 $ 230,000 $ 0 $ 230,000  
[1] Includes derivatives designated as fair value hedges.