Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans Receivable - Loan Modifications (Details)

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Note 5 - Loans Receivable - Loan Modifications (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
% of total segment financing receivables 0.02% 0.11% 0.06%
Financial Asset, Not Past Due [Member]      
Modified $ 241 $ 1,296 $ 868
Financial Asset, 30 to 59 Days Past Due [Member]      
Modified 0 195 0
Financial Asset, 60 to 89 Days Past Due [Member]      
Modified 132 132 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]      
Modified 0 0 0
Payment Deferral [Member]      
Modified 132 132 0
Extended Maturity [Member]      
Modified 241 1,491 868
Contractual Interest Rate Reduction [Member]      
Modified 0 0 0
Extended Maturity and Interest Rate Reduction [Member]      
Modified $ 0 $ 0 $ 0
Residential Portfolio Segment [Member]      
% of total segment financing receivables 0.08% 0.34% 0.18%
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]      
Modified $ 241 $ 1,296 $ 868
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]      
Modified 0 195 0
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]      
Modified 132 132 0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]      
Modified 0 0 0
Residential Portfolio Segment [Member] | Payment Deferral [Member]      
Modified 132 132 0
Residential Portfolio Segment [Member] | Extended Maturity [Member]      
Modified 241 1,491 868
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]      
Modified 0 0 0
Residential Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member]      
Modified $ 0 $ 0 $ 0