Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans Receivable (Details Textual)

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Note 5 - Loans Receivable (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Deferred Cost Reserve, Unamortized Balance $ 3.4 $ 3.5
Financing Receivable, Accrued Interest, before Allowance for Credit Loss 5.3 5.7
Financial Asset Acquired [Member]    
Financing Receivable, Unamortized Purchase Premium (Discount) $ 5.0 $ 5.2
Residential Portfolio Segment [Member] | Residential Mortgage [Member]    
Loans Receivable, Maximum Percentage of Purchase Price or Appraised Value 97.00%  
Loans Receivable, Percentage of Value in Excess Requiring Private Mortgage Insurance 80.00%  
Loans Receivable, Percentage of Equity, Excess Does Not Require Private Mortgage Insurance 20.00%  
Home Equity Portfolio Segment [Member]    
Loans Receivable, Maximum Percentage of Purchase Price or Appraised Value 89.00%  
Loans Receivable, Maximum Percentage of Appraised Value of Improved Property 85.00%  
Home Equity Portfolio Segment [Member] | Maximum [Member]    
Loans Receivable, Contractual Maturity (Month) 240 months  
Commercial Real Estate Portfolio Segment [Member]    
Loans Receivable, Maximum Percentage of Purchase Price or Appraised Value 80.00%  
Commercial Real Estate Portfolio Segment [Member] | Maximum [Member]    
Loans Receivable, Contractual Maturity (Month) 25 years  
Loans Receivable, Balloon Feature, Period for Full Repayment (Year) 10 years  
Commercial Real Estate Portfolio Segment [Member] | Minimum [Member]    
Loans Receivable, Balloon Feature, Period for Full Repayment (Year) 7 years  
Construction and Land Development Portfolio Segment [Member] | Residential Mortgage [Member]    
Loans Receivable, Maximum Percentage of Purchase Price or Appraised Value 89.00%  
Construction and Land Development Portfolio Segment [Member] | Residential Mortgage [Member] | Maximum [Member]    
Loans Receivable, Contractual Maturity (Month) 1 year  
Construction and Land Development Portfolio Segment [Member] | Commercial Real Estate [Member]    
Loans Receivable, Maximum Percentage of Purchase Price or Appraised Value 80.00%  
Construction and Land Development Portfolio Segment [Member] | Commercial Real Estate [Member] | Maximum [Member]    
Loans Receivable, Contractual Maturity (Month) 2 years  
Manufactured Homes Portfolio Segment [Member] | Maximum [Member]    
Loans Receivable, Contractual Maturity (Month) 25 years