Income Taxes - Income Tax Provisions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Note 11 - Income Taxes - Income Tax Provisions (Details)
Federal tax provision, current	$ 21,206	$ 14,178	$ 12,404
Federal tax provision, deferred	(1,128)	(4,990)	(1,965)
Total federal tax provision	20,078	9,188	10,439
State and local tax provision, current	8,004	967	3,543
State and local tax provision, deferred	(597)	353	(1,930)
Total state and local tax provision	7,407	1,320	1,613
Total income tax provision	$ 27,485	$ 10,508	$ 12,052