Note 1 - Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Anti-Dilutive Restricted Stock Units		189		42,321		7,056		51,101
Anti-Dilutive Performance Share Units		—		—		—		—
		189		42,321		7,056		51,101

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

	Three Months Ended				Six Months Ended
Dollars in thousands, except per share data	June 30,				June 30,
	2022		2021		2022		2021
Numerator:
Net Income	$	126,291	$	4,172	$	121,841	$	30,576
Denominator:
Weighted-average shares of common stock outstanding		34,846,037		34,446,605		34,753,887		34,327,282
Effect of dilutive shares		877,437		643,892		897,904		734,388
Weighted-average diluted shares of common stock outstanding		35,723,474		35,090,497		35,651,791		35,061,670
Earnings per Share:
Basic	$	3.62	$	0.12	$	3.51	$	0.89
Dilutive	$	3.54	$	0.12	$	3.42	$	0.87