Note 13 - Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current taxes:
Federal	$ 517
State	407	$ 3	$ 19
Current taxes	924	3	19
Deferred taxes:
Federal	28,389	6,518	(3,164)
State	840	(1,874)	(339)
Deferred taxes	29,229	4,644	(3,503)
Total income tax expense (benefit), net	$ 30,153	$ 4,647	$ (3,484)