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Note 5 - Loans Receivable - Loan Modifications (Details) - Residential Portfolio Segment [Member] - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
% of total segment financing receivables | 0.04% | 0.39%
Principal forgiveness | $ 0 | $ 0
Interest rate reduction | 0.00% | 0.00%
Term extension (Year) | 7 years |
Payment delay (Month) |  | 4 months
Financial Asset, Not Past Due [Member] |  |
Modified | $ 644 | $ 889
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Modified | 344 | 1,003
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Modified | 125 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | 192 | 0
Payment Deferral [Member] |  |
Modified | 0 | 630
Extended Maturity [Member] |  |
Modified | 172 | 1,262
Contractual Interest Rate Reduction [Member] |  |
Modified | 0 | 0
Extended Maturity and Interest Rate Reduction [Member] |  |
Modified | $ 0 | $ 0

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