v3.25.2
Note 3 - Loans Receivable - Schedule of Financing Receivable Restructuring (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Jun. 30, 2024
Modified, Amortized cost $ 959,000 $ 1,465,000  
Payment Deferral and Extended Maturity [Member]      
Modified, Amortized cost 953,000 $ 1,250,000  
Total Financing Receivables, Percentage    
Extended Maturity and Interest Rate Reduction [Member]      
Modified, Amortized cost 6,000 $ 215,000  
Total Financing Receivables, Percentage    
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member]      
Modified, Amortized cost 625,000 $ 625,000  
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Payment Deferral and Extended Maturity [Member]      
Modified, Amortized cost $ 625,000 $ 625,000  
Total Financing Receivables, Percentage 0.40% 0.40%  
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Extended Maturity and Interest Rate Reduction [Member]      
Modified, Amortized cost $ 0 $ 0  
Total Financing Receivables, Percentage 0.00% 0.00%  
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member]      
Modified, Amortized cost $ 108,000 $ 108,000 $ 155,000
Total Financing Receivables, Percentage     0.10%
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Payment Deferral and Extended Maturity [Member]      
Modified, Amortized cost $ 108,000 $ 108,000  
Total Financing Receivables, Percentage 0.10% 0.10%  
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Extended Maturity and Interest Rate Reduction [Member]      
Modified, Amortized cost $ 0 $ 0  
Total Financing Receivables, Percentage 0.00% 0.00%  
Commercial Portfolio Segment [Member] | Commercial Real Estate Loan [Member]      
Modified, Amortized cost   $ 209,000  
Commercial Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Payment Deferral and Extended Maturity [Member]      
Modified, Amortized cost   $ 0  
Total Financing Receivables, Percentage   0.00%  
Commercial Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Extended Maturity and Interest Rate Reduction [Member]      
Modified, Amortized cost   $ 209,000  
Total Financing Receivables, Percentage   0.00%  
Commercial Portfolio Segment [Member] | Agricultural Loan [Member]      
Modified, Amortized cost $ 156,000 $ 409,000  
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Payment Deferral and Extended Maturity [Member]      
Modified, Amortized cost $ 150,000 $ 403,000  
Total Financing Receivables, Percentage 0.10% 0.30%  
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Extended Maturity and Interest Rate Reduction [Member]      
Modified, Amortized cost $ 6,000 $ 6,000  
Total Financing Receivables, Percentage 0.00% 0.00%  
Home Equity Portfolio Segment [Member]      
Modified, Amortized cost $ 70,000 $ 114,000  
Home Equity Portfolio Segment [Member] | Payment Deferral and Extended Maturity [Member]      
Modified, Amortized cost $ 70,000 $ 114,000  
Total Financing Receivables, Percentage 0.10% 0.10%  
Home Equity Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member]      
Modified, Amortized cost $ 0 $ 0  
Total Financing Receivables, Percentage 0.00% 0.00%