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Note 3 - Loans and Allowance for Credit Losses - Components of Loan Portfolio (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Loans |  | $ 3,555,790,000 | $ 3,453,459,000
Percent of portfolio |  | 100.00% | 100.00%
Period increase (decrease) |  | 3.00% |
Commercial Portfolio Segment [Member] |  |  |
Loans |  | $ 3,004,562,000 | $ 2,950,424,000
Percent of portfolio |  | 84.50% | 85.40%
Period increase (decrease) |  | 1.80% |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans | [1] | $ 1,153,814,000 | $ 1,137,419,000
Percent of portfolio | [1] | 32.40% | 32.90%
Period increase (decrease) | [1] | 1.40% |
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans |  | $ 52,693,000 | $ 43,239,000
Percent of portfolio |  | 1.50% | 1.30%
Period increase (decrease) |  | 21.90% |
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans |  | $ 582,732,000 | $ 565,758,000
Percent of portfolio |  | 16.40% | 16.40%
Period increase (decrease) |  | 3.00% |
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans |  | $ 1,007,361,000 | $ 1,027,415,000
Percent of portfolio |  | 28.30% | 29.70%
Period increase (decrease) |  | (2.00%) |
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans |  | $ 207,962,000 | $ 176,593,000
Percent of portfolio |  | 5.90% | 5.10%
Period increase (decrease) |  | 17.80% |
Retail Portfolio Segment [Member] |  |  |
Loans |  | $ 551,228,000 | $ 503,035,000
Percent of portfolio |  | 15.50% | 14.60%
Period increase (decrease) |  | 9.60% |
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans |  | $ 522,556,000 | $ 442,547,000
Percent of portfolio |  | 14.70% | 12.80%
Period increase (decrease) |  | 18.10% |
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |
Loans | [2] | $ 28,672,000 | $ 60,488,000
Percent of portfolio | [2] | 0.80% | 1.80%
Period increase (decrease) | [2] | (52.60%) |
[1] | For March 31, 2022, and December 31, 2021, includes $12.2 million and $40.1 million in loans originated under the Paycheck Protection Program, respectively.
[2] | In conjunction with the adoption of the CECL methodology effective January 1, 2022, home equity lines of credit were reclassified to 1-4 family mortgage loans from other consumer loans. Home equity lines of credit totaled $31.9 million and $29.5 million as of March 31, 2022 and December 31, 2021, respectively.

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