Note 8 - Income Taxes - Components of Income Tax Expense (Benefit) from Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Federal	$ 5,194	$ 214
State	677	0
Total current income tax expense	5,871	214
Federal	1,417	842
State	844	389
Total deferred income tax expense	2,261	1,231
Change in valuation allowance	0	0
Total income tax expense	$ 8,132	$ 1,445