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, 2022	Dec. 31, 2021	Dec. 31, 2020
Federal Statutory Income Tax	$ 14,404	$ 13,557	$ 7,720
Tax Exempt Income	(690)	(815)	(608)
Stock Based Compensation	16	(220)	(730)
Goodwill Write-off for Branch Sale	0	35	0
Other - Net	607	(135)	406
Provision for Income Taxes	$ 14,337	$ 12,422	$ 6,788