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Note 3 - Loans and Allowance for Credit Losses - Components of Loan Portfolio (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Loans | $ 4,615,160 | $ 4,600,781
Percent of portfolio | 100.00% | 100.00%
Period increase (decrease) | 0.30% |
Commercial Portfolio Segment [Member] |  |
Loans | $ 3,750,307 | $ 3,707,304
Percent of portfolio | 81.20% | 80.60%
Period increase (decrease) | 1.20% |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans | $ 1,337,729 | $ 1,287,308
Percent of portfolio | 29.00% | 28.00%
Period increase (decrease) | 3.90% |
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Loans | $ 70,806 | $ 66,936
Percent of portfolio | 1.50% | 1.50%
Period increase (decrease) | 5.80% |
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Loans | $ 729,451 | $ 748,837
Percent of portfolio | 15.80% | 16.30%
Period increase (decrease) | (2.60%) |
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Loans | $ 1,091,210 | $ 1,128,404
Percent of portfolio | 23.60% | 24.50%
Period increase (decrease) | (3.30%) |
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Loans | $ 521,111 | $ 475,819
Percent of portfolio | 11.30% | 10.30%
Period increase (decrease) | 9.50% |
Retail Portfolio Segment [Member] |  |
Loans | $ 864,853 | $ 893,477
Percent of portfolio | 18.80% | 19.40%
Period increase (decrease) | (3.20%) |
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Loans | $ 780,917 | $ 827,597
Percent of portfolio | 16.90% | 18.00%
Period increase (decrease) | (5.60%) |
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Loans | $ 83,936 | $ 65,880
Percent of portfolio | 1.90% | 1.40%
Period increase (decrease) | 27.40% |

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