Note 5 - Derivative Financial Instruments - Summary of the Effect of Derivatives on the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Noncash gain (loss) on derivative instruments, net	$ (15,883)	$ 38,098	$ (9,866)	$ 21,656
Cash paid on settlement of derivative instruments	(13,772)	(2,300)	(21,032)	(64,143)
Gain (loss) on derivative instruments, net	$ (29,655)	$ 35,798	$ (30,898)	$ (42,487)