Note 13 - Income Taxes - Income Tax Benefit and Effective Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Federal	$ 0	$ 0	$ 0	$ 0
State	0	0	0	0
Total provision for current income taxes	0	0	0	0
Federal	13,347	30,599	36,388	53,726
State	753	998	1,863	1,631
Total provision for deferred income taxes	14,100	31,597	38,251	55,357
Provision for income taxes	$ 14,100	$ 31,597	$ 38,251	$ 55,357