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Note 3 - Securities - Securities With Unrealized Losses (Details) $ in Thousands | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | ---
Count, less than 12 months | 16 | 2
Fair value, less than 12 months | $ 125,440 | $ 8,987
Unrealized loss, less than 12 months | $ (160) | $ (13)
Count, 12 months or more | 135 | 198
Fair value, 12 months or more | $ 86,423 | $ 134,306
Unrealized loss, 12 months or more | $ (2,201) | $ (3,580)
Count, total | 151 | 200
Fair value, total | $ 211,863 | $ 143,293
Unrealized loss, total | $ (2,361) | $ (3,593)
US States and Political Subdivisions Debt Securities [Member] |  |
Count, less than 12 months | 1 | 0
Fair value, less than 12 months | $ 603 | $ 0
Unrealized loss, less than 12 months | $ (1) | $ 0
Count, 12 months or more | 1 | 1
Fair value, 12 months or more | $ 221 | $ 217
Unrealized loss, 12 months or more | $ (3) | $ (8)
Count, total | 2 | 1
Fair value, total | $ 824 | $ 217
Unrealized loss, total | $ (4) | $ (8)
US Treasury Securities [Member] |  |
Count, less than 12 months | 0 | 0
Fair value, less than 12 months | $ 0 | $ 0
Unrealized loss, less than 12 months | $ 0 | $ 0
Count, 12 months or more | 115 | 170
Fair value, 12 months or more | $ 75,059 | $ 112,508
Unrealized loss, 12 months or more | $ (2,069) | $ (3,412)
Count, total | 115 | 170
Fair value, total | $ 75,059 | $ 112,508
Unrealized loss, total | $ (2,069) | $ (3,412)
US Government-sponsored Enterprises Debt Securities [Member] |  |
Count, less than 12 months | 15 | 2
Fair value, less than 12 months | $ 124,837 | $ 8,987
Unrealized loss, less than 12 months | $ (159) | $ (13)
Count, 12 months or more | 2 | 4
Fair value, 12 months or more | $ 7,985 | $ 17,951
Unrealized loss, 12 months or more | $ (15) | $ (49)
Count, total | 17 | 6
Fair value, total | $ 132,822 | $ 26,938
Unrealized loss, total | $ (174) | $ (62)
Residential Mortgage-Backed Securities [Member] |  |
Count, less than 12 months | 0 | 0
Fair value, less than 12 months | $ 0 | $ 0
Unrealized loss, less than 12 months | $ 0 | $ 0
Count, 12 months or more | 12 | 17
Fair value, 12 months or more | $ 2,236 | $ 2,627
Unrealized loss, 12 months or more | $ (98) | $ (91)
Count, total | 12 | 17
Fair value, total | $ 2,236 | $ 2,627
Unrealized loss, total | $ (98) | $ (91)
Collateralized Mortgage-Backed Securities [Member] |  |
Count, less than 12 months | 0 | 0
Fair value, less than 12 months | $ 0 | $ 0
Unrealized loss, less than 12 months | $ 0 | $ 0
Count, 12 months or more | 5 | 6
Fair value, 12 months or more | $ 922 | $ 1,003
Unrealized loss, 12 months or more | $ (16) | $ (20)
Count, total | 5 | 6
Fair value, total | $ 922 | $ 1,003
Unrealized loss, total | $ (16) | $ (20)

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