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Note 3 - Loans and Allowance for Credit Losses - Loans by Credit Quality Indicators (Details) - USD ($) | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Loans |  | $ 3,555,790,000 | $ 3,453,459,000
Commercial Portfolio Segment [Member] |  |  |
Loans |  | 3,004,562,000 | 2,950,424,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans | [1] | 1,153,814,000 | 1,137,419,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans |  | 52,693,000 | 43,239,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans |  | 582,732,000 | 565,758,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans |  | 1,007,361,000 | 1,027,415,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans |  | 207,962,000 | 176,593,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans | [2] | 719,267,000 | 729,224,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans |  | 34,546,000 | 28,390,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans |  | 358,249,000 | 346,082,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans |  | 497,951,000 | 503,482,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans |  | 132,781,000 | 119,473,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans |  | 415,709,000 | 398,378,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans |  | 18,031,000 | 14,730,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans |  | 222,095,000 | 208,060,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans |  | 496,757,000 | 511,280,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans |  | 75,034,000 | 56,968,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans |  | 18,838,000 | 9,817,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans |  | 116,000 | 119,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans |  | 2,388,000 | 11,616,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans |  | 12,653,000 | 12,653,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans |  | $ 147,000 | $ 152,000
[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] | Included in Commercial and Industrial Loans Grades 1 – 4 are $12.2 million of loans originated under the Paycheck Protection Program.

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