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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Noncash derivative gain (loss), net	$ 703	$ 25,191	$ 6,017	$ (16,442)
Cash payments on settled derivatives, net	(5,066)	(37,082)	(7,260)	(61,843)
Derivative loss, net	$ (4,363)	$ (11,891)	$ (1,243)	$ (78,285)