Note 3 - Loans and Allowance for Credit Losses - Loans by Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Loans	$ 4,821,888	$ 4,600,781
Commercial Portfolio Segment [Member]
Loans	3,918,662	3,707,304
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	1,374,522	1,287,308
Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	117,373	66,936
Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	778,869	748,837
Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	1,110,674	1,128,404
Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	537,224	475,819
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	655,390	629,851
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	55,915	25,191
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	493,696	466,400
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	434,725	432,244
Grades 1-4 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	151,521	173,109
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	704,704	637,183
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	61,257	41,740
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	277,700	275,506
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	673,217	688,178
Grades 5-7 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	385,703	302,100
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans	14,428	20,274
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	201	5
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Loans	7,473	6,931
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Loans	2,732	7,982
Grades 8-9 [Member] \| Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Loans	$ 0	$ 610