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Note 3 - Loans and Allowance for Credit Losses on Loans - Loans by Loan Portfolio Class (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Loans | [1] | $ 7,226,429 | $ 7,041,310
Home Equity Line of Credit [Member] |  |  |
Loans |  | 290,766 | 285,115
Credit Card Receivable [Member] |  |  |
Loans |  | 24,920 | 25,243
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans |  | 3,141,159 | 3,037,148
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] |  |  |
Loans |  | 1,964,589 | 1,915,252
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |  |
Loans |  | 1,176,570 | 1,121,896
Commercial and Industrial Portfolio Segment [Member] |  |  |
Loans |  | 1,592,578 | 1,509,489
Commercial and Industrial Portfolio Segment [Member] | Term [Member] |  |  |
Loans |  | 967,246 | 897,576
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] |  |  |
Loans |  | 625,332 | 611,913
Residential Real Estate Portfolio Segment [Member] |  |  |
Loans |  | 1,276,373 | 1,273,081
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] |  |  |
Loans |  | 387,652 | 391,216
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |  |
Loans |  | 888,721 | 881,865
Construction and Development [Member] |  |  |
Loans |  | 742,243 | 751,897
Consumer Portfolio Segment [Member] |  |  |
Loans |  | 142,897 | 142,425
Finance Leases Portfolio Segment [Member] |  |  |
Loans |  | $ 15,493 | $ 16,912
[1] | Total loans are presented inclusive of premiums, discounts and net loan origination fees and costs.

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