Note 15 - Federal and State Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Historic tax credits		$ 68
Low income housing tax credits		226
Net unrealized losses on securities available for sale and derivative instruments	$ 18,127	21,319
Compensation	15,761	13,413
Loan/lease losses	20,628	20,466
Net operating loss carryforwards, federal and state	630	1,262
Deferred tax assets	55,146	56,754
Deferred tax liabilities:
Premises and equipment.	7,206	6,271
Equipment financing leases	2,084	2,484
Acquisition fair value adjustments	3,983	3,816
Investment accretion		27
Deferred loan origination fees, net	1,515	1,624
Prepaid expense	1,749	1,534
Other	417	560
Deferred tax liabilities	16,954	16,316
Net deferred tax assets	$ 38,192	$ 40,438