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Note 3 - Loans - Loans Modified During Period (Details) - USD ($) $ in Thousands | 12 Months Ended | 24 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024
Modified Amortized Cost, percent | 0.17% | 0.37% |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Total payment deferral | $ 1,403 | $ 0 |
Modified Amortized Cost, percent | 0.10% | 0.24% |
Commercial Real Estate Portfolio Segment [Member] | Minimum [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) | 4 years |  | 1 year
Commercial Real Estate Portfolio Segment [Member] | Maximum [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) | 95 years |  | 65 years
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |  |
Total payment deferral | $ 0 | $ 0 |
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Total payment deferral | $ 16 | $ 49 |
Modified Amortized Cost, percent | 0.07% | 0.03% |
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |  |
Total payment deferral | $ 9 | $ 0 |
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |
Total payment deferral | $ 0 | $ 59 |
Modified Amortized Cost, percent |  | 0.10% |
Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Modified Amortized Cost, percent | 0.00% |  |
Real Estate Portfolio Segment[Member] | Minimum [Member] | Owner Occupied Commercial [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) | 5 years |  | 3 years
Real Estate Portfolio Segment[Member] | Minimum [Member] | One to Four Family [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) | 3 years |  |
Real Estate Portfolio Segment[Member] | Minimum [Member] | Non-owner Occupied Commercial [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) |  |  | 2 years
Real Estate Portfolio Segment[Member] | Maximum [Member] | Owner Occupied Commercial [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) | 60 years |  | 60 years
Real Estate Portfolio Segment[Member] | Maximum [Member] | One to Four Family [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) | 121 years |  |
Real Estate Portfolio Segment[Member] | Maximum [Member] | Non-owner Occupied Commercial [Member] |  |  |
Financing Receivable, Modified, Term Extension (Year) |  |  | 36 years
Extended Maturity [Member] |  |  |
Modified Amortized Cost | $ 3,985 | $ 42,315 |
Extended Maturity [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Modified Amortized Cost | 248 | 28,363 |
Extended Maturity [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost | 3,562 | 3,021 |
Extended Maturity [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost |  | 10,932 |
Extended Maturity [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Modified Amortized Cost | 175 |  |
Payment Deferral [Member] |  |  |
Modified Amortized Cost | 18,355 | 303 |
Payment Deferral [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Modified Amortized Cost | 12,354 | 0 |
Payment Deferral [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost | 5,827 | 0 |
Payment Deferral [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost |  | 303 |
Payment Deferral [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Modified Amortized Cost | 174 |  |
New Origination [Member] |  |  |
Modified Amortized Cost | 96 | 0 |
New Origination [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Modified Amortized Cost | 0 | 0 |
New Origination [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost | 0 | 0 |
New Origination [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost |  | 0 |
New Origination [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Modified Amortized Cost | 96 |  |
Extended Maturity and Payment Deferral [Member] |  |  |
Modified Amortized Cost | 22,436 | 42,618 |
Extended Maturity and Payment Deferral [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Modified Amortized Cost | 12,602 | 28,363 |
Extended Maturity and Payment Deferral [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost | 9,389 | 3,021 |
Extended Maturity and Payment Deferral [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |
Modified Amortized Cost |  | $ 11,234 |
Extended Maturity and Payment Deferral [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Modified Amortized Cost | $ 445 |  |

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