Note 3 - Loans - Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Gross loans	$ 2,199,517	$ 2,186,449	[1]
Commercial Portfolio Segment [Member]
Gross loans	304,486	304,247
Commercial Real Estate Portfolio Segment [Member] | Construction and Land Development [Member]
Gross loans	215,975	197,525
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member]
Gross loans	415,106	418,462
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied Commercial Real Estate [Member]
Gross loans	822,347	827,728
Residential Portfolio Segment [Member] | Non-owner Occupied Commercial Real Estate [Member]
Gross loans		827,728
Residential Portfolio Segment [Member] | Residential [Member]
Gross loans	343,548	338,132
Residential Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Gross loans	91,408	93,740
Consumer Portfolio Segment [Member]
Gross loans	$ 6,647	$ 6,615

[1] Derived from audited consolidated financial statements