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Note 12 - Commitments and Contingent Liabilities - Off Balance Sheet Commitments to Extend Credit (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
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Off balance sheet commitments to extend credit | $ 2,394,703 | $ 2,330,371
Commercial and Industrial Loans [Member] |  |
Off balance sheet commitments to extend credit | 792,312 | 811,568
Construction and Development [Member] |  |
Off balance sheet commitments to extend credit | 607,147 | 639,190
Home Equity Loans [Member] |  |
Off balance sheet commitments to extend credit | 438,518 | 429,070
Credit Cards [Member] |  |
Off balance sheet commitments to extend credit | 91,899 | 90,673
Overdrafts [Member] |  |
Off balance sheet commitments to extend credit | 54,289 | 54,863
Letters of Credit [Member] |  |
Off balance sheet commitments to extend credit | 27,734 | 28,410
Other Off Balance Sheet Commitments [Member] |  |
Off balance sheet commitments to extend credit | 112,106 | 99,462
Future Loan Commitments [Member] |  |
Off balance sheet commitments to extend credit | $ 270,698 | $ 177,135

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- Definition The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 825 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478898/942-825-50-1 + Details
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