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Note 8 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Apr. 21, 2023 USD ($) | Dec. 31, 2021 USD ($)
Number of Reportable Segments | 1 |  |  |  |
Goodwill | $ 143,946 | $ 143,946 | $ 129,565 |  | $ 129,565
Goodwill, Acquired During Period | 0 | 14,381 | 0 |  |
Finite-Lived Intangible Assets, Net | 13,014 |  |  |  |
Amortization of Intangible Assets | $ 2,131 | 1,731 | $ 1,446 |  |
Core Deposits [Member] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period (Year) | 7 years 7 months 17 days |  |  |  |
Core Deposits [Member] | Minimum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Month) | 6 months |  |  |  |
Core Deposits [Member] | Maximum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Month) | 8 years |  |  |  |
Surrey [Member] |  |  |  |  |
Goodwill |  |  |  | $ 14,381 |
Goodwill, Acquired During Period |  | $ 14,380 |  |  |
Surrey [Member] | Core Deposits [Member] |  |  |  |  |
Finite-Lived Intangible Assets, Net | $ 12,700 |  |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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