Note 9 - Income Taxes - Components of Income Tax Expense (Benefit) from Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Federal	$ 27,377	$ 25,360	$ 22,405
State	5,566	5,254	2,962
Total current income tax expense	32,943	30,614	25,367
Federal	(2,681)	(977)	(513)
State	(435)	542	2,336
Total deferred income tax expense (benefit)	(3,116)	(435)	1,823
Total income tax expense	$ 29,827	$ 30,179	$ 27,190