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Note 3 - Securities - Securities With Unrealized Losses (Details) $ in Thousands | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Count, less than 12 months | 18 | 180
Collateralized mortgage obligations - residential, fair value | $ 44,131 | $ 148,388
Unrealized loss, less than 12 months | $ (396) | $ (4,581)
Count, 12 months or more | 198 | 54
Fair value, 12 months or more | $ 121,812 | $ 58,835
Unrealized loss, 12 months or more | $ (6,270) | $ (3,707)
Count, total | 216 | 234
Fair value, total | $ 165,943 | $ 207,223
Unrealized loss, total | $ (6,666) | $ (8,288)
US States and Political Subdivisions Debt Securities [Member] |  |
Count, less than 12 months | 0 | 1
Collateralized mortgage obligations - residential, fair value | $ 0 | $ 225
Unrealized loss, less than 12 months | $ 0 | $ (15)
Count, 12 months or more | 1 | 0
Fair value, 12 months or more | $ 226 | $ 0
Unrealized loss, 12 months or more | $ (14) | $ 0
Count, total | 1 | 1
Fair value, total | $ 226 | $ 225
Unrealized loss, total | $ (14) | $ (15)
US Treasury Securities [Member] |  |
Count, less than 12 months | 1 | 147
Collateralized mortgage obligations - residential, fair value | $ 3,652 | $ 104,439
Unrealized loss, less than 12 months | $ (103) | $ (4,104)
Count, 12 months or more | 180 | 53
Fair value, 12 months or more | $ 118,375 | $ 58,664
Unrealized loss, 12 months or more | $ (6,101) | $ (3,699)
Count, total | 181 | 200
Fair value, total | $ 122,027 | $ 163,103
Unrealized loss, total | $ (6,204) | $ (7,803)
US Government-sponsored Enterprises Debt Securities [Member] |  |
Count, less than 12 months | 9 | 9
Collateralized mortgage obligations - residential, fair value | $ 39,727 | $ 39,699
Unrealized loss, less than 12 months | $ (273) | $ (301)
Count, 12 months or more | 0 | 0
Fair value, 12 months or more | $ 0 | $ 0
Unrealized loss, 12 months or more | $ 0 | $ 0
Count, total | 9 | 9
Fair value, total | $ 39,727 | $ 39,699
Unrealized loss, total | $ (273) | $ (301)
Residential Mortgage-Backed Securities [Member] |  |
Count, less than 12 months | 8 | 18
Collateralized mortgage obligations - residential, fair value | $ 752 | $ 3,016
Unrealized loss, less than 12 months | $ (20) | $ (143)
Count, 12 months or more | 10 | 0
Fair value, 12 months or more | $ 2,118 | $ 0
Unrealized loss, 12 months or more | $ (133) | $ 0
Count, total | 18 | 18
Fair value, total | $ 2,870 | $ 3,016
Unrealized loss, total | $ (153) | $ (143)
Collateralized Mortgage-Backed Securities [Member] |  |
Count, less than 12 months | 0 | 5
Collateralized mortgage obligations - residential, fair value | $ 0 | $ 1,009
Unrealized loss, less than 12 months | $ 0 | $ (18)
Count, 12 months or more | 7 | 1
Fair value, 12 months or more | $ 1,093 | $ 171
Unrealized loss, 12 months or more | $ (22) | $ (8)
Count, total | 7 | 6
Fair value, total | $ 1,093 | $ 1,180
Unrealized loss, total | $ (22) | $ (26)

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