v3.26.3
Note 13 - Derivatives and Hedging Activities (Details Textual) - USD ($)
Sep. 30, 2026
Dec. 31, 2025
Interest Rate Swap [Member]    
Debt Securities, Available-for-Sale, Amortized Cost $ 189,600,000 $ 213,300,000
Derivative, Notional Amount 50,000,000 50,000,000
Derivative Liability, Fair Value of Collateral 3,500,000  
Asset-Backed Securities [Member]    
Credit Risk Derivatives, at Fair Value, Net 194,000 980,000
Asset-Backed Securities [Member] | Interest Rate Swap [Member]    
Derivative, Notional Amount 50,000,000 50,000,000
Closed Portfolio of Loans Receivable [Member]    
Credit Risk Derivatives, at Fair Value, Net 353,000 903,000
Closed Portfolio of Loans Receivable [Member] | Interest Rate Swap [Member]    
Derivative, Notional Amount 76,648,000 100,000,000
Designated as Hedging Instrument [Member]    
Debt Securities, Available-for-Sale, Amortized Cost 55,600,000 56,100,000
Credit Risk Derivatives, at Fair Value, Net (547,000) 1,883,000
Derivative, Notional Amount $ 126,101,000 $ 151,883,000