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Note 3 - Securities - Securities With Unrealized Losses (Details) $ in Thousands | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | ---
Count, less than 12 months | 209 |
Collateralized mortgage obligations - residential, fair value | $ 128,189 |
Unrealized loss, less than 12 months | $ (5,246) |
Count, 12 months or more | 1 |
Fair value, 12 months or more | $ 197 |
Unrealized loss, 12 months or more | $ (2) |
Count, total | 210 |
Fair value, total | $ 128,386 |
Unrealized loss, total | $ (5,248) |
US States and Political Subdivisions Debt Securities [Member] |  |
Count, less than 12 months | 2 |
Collateralized mortgage obligations - residential, fair value | $ 387 |
Unrealized loss, less than 12 months | $ (13) |
Count, 12 months or more | 0 |
Fair value, 12 months or more | $ 0 |
Unrealized loss, 12 months or more | $ 0 |
Count, total | 2 |
Fair value, total | $ 387 |
Unrealized loss, total | $ (13) |
US Treasury Securities [Member] |  |
Count, less than 12 months | 187 | 53
Collateralized mortgage obligations - residential, fair value | $ 123,930 | $ 62,246
Unrealized loss, less than 12 months | $ (5,193) | $ (76)
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 | 187 | 53
Fair value, total | $ 123,930 | $ 62,246
Unrealized loss, total | $ (5,193) | $ (76)
Residential Mortgage-Backed Securities [Member] |  |
Count, less than 12 months | 15 |
Collateralized mortgage obligations - residential, fair value | $ 2,746 |
Unrealized loss, less than 12 months | $ (33) |
Count, 12 months or more | 0 |
Fair value, 12 months or more | $ 0 |
Unrealized loss, 12 months or more | $ 0 |
Count, total | 15 |
Fair value, total | $ 2,746 |
Unrealized loss, total | $ (33) |
Collateralized Mortgage-Backed Securities [Member] |  |
Count, less than 12 months | 5 |
Collateralized mortgage obligations - residential, fair value | $ 1,126 |
Unrealized loss, less than 12 months | $ (7) |
Count, 12 months or more | 1 |
Fair value, 12 months or more | $ 197 |
Unrealized loss, 12 months or more | $ (2) |
Count, total | 6 |
Fair value, total | $ 1,323 |
Unrealized loss, total | $ (9) |

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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