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Note 4 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2021				2020				2021				2020
Numerator:
Numerator for basic and diluted earnings per share – Net income available to common shareholders		$	58,044			$	16,816			$	103,377			$	39,923
Denominator:
Denominator for basic earnings per share – weighted average shares outstanding			56,009				54,436				55,819				54,581
Effect of dilutive securities – Employee stock options and restricted stock awards			1,947				915				2,027				1,089
Denominator for diluted earnings per share – adjusted weighted average shares outstanding and assumed conversions			57,956				55,351				57,846				55,670
Basic earnings per common share		$	1.04			$	0.31			$	1.85			$	0.73
Diluted earnings per common share and common share equivalents		$	1.00			$	0.30			$	1.79			$	0.72

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2021				2020				2021				2020
Weighted average anti-dilutive stock options			626				2,506				379				2,149

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- References

No definition available.

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