Note 1 - Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
Anti-Dilutive Restricted Stock Units		80		983,708		403		1,063,253
Anti-Dilutive Performance Share Units		—		78,635		—		89,544
		80		1,062,343		403		1,152,797

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended					Nine Months Ended
Dollars in thousands, except per share data	September 30,					September 30,
	2022		2021			2022		2021
Numerator:
Net Income (Loss)	$	152,121	$	(113,789	)	$	273,962	$	(83,213	)
Denominator:
Weighted-average shares of common stock outstanding		34,870,154		34,480,181			34,793,069		34,378,808
Effect of dilutive awards*		906,437		—			900,513		—
Weighted-average diluted shares of common stock outstanding		35,776,591		34,480,181			35,693,582		34,378,808
Earnings (Loss) per Share:
Basic	$	4.36	$	(3.30	)	$	7.87	$	(2.42	)
Dilutive	$	4.25	$	(3.30	)	$	7.68	$	(2.42	)