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Note 5 - Loans - Loans Modified During Period (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Percentage of total loans | 0.15% | 0.35%
Extended Maturity [Member] |  |
Modified Amortized Cost | $ 18,379 | $ 39,827
Payment Deferral [Member] |  |
Modified Amortized Cost | 0 | 1,060
Extended Maturity and Payment Deferral [Member] |  |
Modified Amortized Cost | $ 18,379 | $ 40,886
Commercial Real Estate Portfolio Segment [Member] |  |
Percentage of total loans | 0.05% | 0.24%
Total payment deferral | $ 0 | $ 0
Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member] |  |
Modified Amortized Cost | 5,568 | 28,335
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member] |  |
Modified Amortized Cost | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Extended Maturity and Payment Deferral [Member] |  |
Modified Amortized Cost | $ 5,568 | $ 28,335
Commercial Real Estate Portfolio Segment [Member] | Minimum [Member] |  |
Term extension (Year) | 1 year | 3 years
Commercial Real Estate Portfolio Segment [Member] | Maximum [Member] |  |
Term extension (Year) | 6 years | 12 years
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |
Percentage of total loans | 0.01% |
Term extension (Year) | 12 years | 6 years
Total payment deferral | $ 0 | $ 0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |
Percentage of total loans | 0.01% | 0.01%
Term extension (Year) | 12 years |
Total payment deferral | $ 0 | $ 49
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |
Percentage of total loans | 0.00% | 0.00%
Term extension (Year) | 12 years | 3 years
Total payment deferral | $ 0 | $ 0
Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |
Percentage of total loans | 0.08% | 0.10%
Term extension (Year) | 11 years |
Total payment deferral | $ 0 | $ 59
Real Estate Portfolio Segment[Member] | Extended Maturity [Member] | Construction Loans [Member] |  |
Modified Amortized Cost | 973 |
Real Estate Portfolio Segment[Member] | Extended Maturity [Member] | Owner Occupied Commercial [Member] |  |
Modified Amortized Cost | 1,501 | 23
Real Estate Portfolio Segment[Member] | Extended Maturity [Member] | One to Four Family [Member] |  |
Modified Amortized Cost | 424 | 214
Real Estate Portfolio Segment[Member] | Extended Maturity [Member] | Other Mortgages [Member] |  |
Modified Amortized Cost | 9,913 | 11,254
Real Estate Portfolio Segment[Member] | Payment Deferral [Member] | Construction Loans [Member] |  |
Modified Amortized Cost | 0 |
Real Estate Portfolio Segment[Member] | Payment Deferral [Member] | Owner Occupied Commercial [Member] |  |
Modified Amortized Cost | 0 | 701
Real Estate Portfolio Segment[Member] | Payment Deferral [Member] | One to Four Family [Member] |  |
Modified Amortized Cost | 0 | 0
Real Estate Portfolio Segment[Member] | Payment Deferral [Member] | Other Mortgages [Member] |  |
Modified Amortized Cost | 0 | 359
Real Estate Portfolio Segment[Member] | Extended Maturity and Payment Deferral [Member] | Construction Loans [Member] |  |
Modified Amortized Cost | 973 |
Real Estate Portfolio Segment[Member] | Extended Maturity and Payment Deferral [Member] | Owner Occupied Commercial [Member] |  |
Modified Amortized Cost | 1,501 | 724
Real Estate Portfolio Segment[Member] | Extended Maturity and Payment Deferral [Member] | One to Four Family [Member] |  |
Modified Amortized Cost | 424 | 214
Real Estate Portfolio Segment[Member] | Extended Maturity and Payment Deferral [Member] | Other Mortgages [Member] |  |
Modified Amortized Cost | $ 9,913 | $ 11,613
Real Estate Portfolio Segment[Member] | Minimum [Member] | Owner Occupied Commercial [Member] |  |
Term extension (Year) |  | 3 years
Real Estate Portfolio Segment[Member] | Minimum [Member] | Other Mortgages [Member] |  |
Term extension (Year) |  | 3 years
Real Estate Portfolio Segment[Member] | Maximum [Member] | Owner Occupied Commercial [Member] |  |
Term extension (Year) |  | 18 years
Real Estate Portfolio Segment[Member] | Maximum [Member] | Other Mortgages [Member] |  |
Term extension (Year) |  | 36 years

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