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Note 3 - Loans and Allowance for Credit Losses - Components of Loan Portfolio (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Loans |  | $ 4,104,376,000 | $ 3,916,619,000
Percent of portfolio |  | 100.00% | 100.00%
Period increase (decrease) |  | 4.80% |
Commercial Portfolio Segment [Member] |  |  |
Loans |  | $ 3,218,831,000 | $ 3,131,830,000
Percent of portfolio |  | 78.40% | 80.00%
Period increase (decrease) |  | 2.80% |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans |  | $ 1,166,187,000 | $ 1,185,083,000
Percent of portfolio |  | 28.40% | 30.30%
Period increase (decrease) |  | (1.60%) |
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans |  | $ 72,921,000 | $ 61,873,000
Percent of portfolio |  | 1.70% | 1.60%
Period increase (decrease) |  | 17.90% |
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans |  | $ 671,083,000 | $ 639,192,000
Percent of portfolio |  | 16.40% | 16.30%
Period increase (decrease) |  | 5.00% |
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans | [1] | $ 1,000,411,000 | $ 979,214,000
Percent of portfolio |  | 24.40% | 25.00%
Period increase (decrease) |  | 2.20% |
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans | [1] | $ 308,229,000 | $ 266,468,000
Percent of portfolio |  | 7.50% | 6.80%
Period increase (decrease) |  | 15.70% |
Retail Portfolio Segment [Member] |  |  |
Loans |  | $ 885,545,000 | $ 784,789,000
Percent of portfolio |  | 21.60% | 20.00%
Period increase (decrease) |  | 12.80% |
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans |  | $ 854,175,000 | $ 755,036,000
Percent of portfolio |  | 20.80% | 19.30%
Period increase (decrease) |  | 13.10% |
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |
Loans |  | $ 31,370,000 | $ 29,753,000
Percent of portfolio |  | 0.80% | 0.70%
Period increase (decrease) |  | 5.40% |
[1] | We have made certain reclassifications of how multi-family construction loans are disaggregated by loan segment. The table above reflects an increase of $54.5 million in Real Estate – Multi-Family and Residential Rental loans and a corresponding decrease in Real Estate – Non-Owner Occupied loans as of December 31, 2022. All the tables that follow have been adjusted to reflect the reclassifications as of the applicable dates.

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