Note 1 - Basis of Presentation - Schedule of Basic and Dilutive Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Net (Loss) Income	$ 152,121	$ 126,291	$ (4,450)	$ (113,789)	$ 4,172	$ 26,404	$ 273,962	$ (83,213)
Weighted-average shares of common stock outstanding (in shares)	34,870,154			34,480,181			34,793,069	34,378,808
Effect of dilutive awards* (in shares)	906,437			0			900,513	0
Weighted-average diluted shares of common stock outstanding (in shares)	35,776,591			34,480,181			35,693,582	34,378,808
Basic (in dollars per share)	$ 4.36			$ (3.30)			$ 7.87	$ (2.42)
Dilutive (in dollars per share)	$ 4.25			$ (3.30)			$ 7.68	$ (2.42)