Note 5 - Derivative Financial Instruments - Summary of the Effect of Derivatives on the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2020	Aug. 21, 2020	Dec. 31, 2022	Dec. 31, 2021
Noncash derivative loss, net	$ (0)	$ (0)	$ (1,909)	$ (15,467)
Cash payments on settled derivatives, net	0	0	(58,096)	(11,267)
Derivative loss, net	$ 0	$ 0	$ (60,005)	$ (26,734)