Note 13 - Income Taxes - Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Federal Statutory Income Tax	$ 19,023	$ 14,404	$ 13,557
Tax Exempt Income	(188)	(690)	(815)
Stock Based Compensation	197	16	(220)
Goodwill Write-off for Branch Sale	32	0	35
Other - Net	479	607	(135)
Provision for Income Taxes	$ 19,543	$ 14,337	$ 12,422