Note 4 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Numerator:
Numerator for basic and diluted earnings per share – Net income available to common shareholders	$	21,999	$	10,817	$	36,478	$	13,212
Denominator–
Denominator for basic earnings per share – weighted average shares outstanding		39,641		40,250		39,493		40,402
Effect of dilutive securities– Employee stock options and restricted stock awards		1,198		528		1,244		512
Denominator for diluted earnings per share – adjusted weighted average shares outstanding and assumed conversions		40,839		40,778		40,737		40,914
Basic earnings per common share	$	.55	$	.27	$	.92	$	.33
Diluted earnings per common share and common share equivalents	$	.54	$	.27	$	.90	$	.32

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Weighted average anti-dilutive options		662		2,525		695		2,522