Note 3 - Loans and Allowance for Credit Losses - Loans by Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Loans	$ 4,600,781	$ 4,303,758
Commercial Portfolio Segment [Member]
Loans	3,707,304	3,415,299
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	1,287,308	1,254,586
Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	66,936	74,753
Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	748,837	717,667
Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	1,128,404	1,035,684
Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	475,819	332,609
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	629,851	724,156
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	25,191	34,944
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	466,400	468,339
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	432,244	451,019
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	173,109	172,455
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	637,183	505,807
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	41,740	39,719
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	275,506	248,802
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	688,178	573,771
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	302,100	147,903
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	20,274	24,623
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	5	90
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	6,931	526
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	7,982	10,894
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	$ 610	$ 12,251