Note 11 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

	Years ended December 31,
	2015		2014		2013
	(in thousands, except per share data)
Net income	$	24,527	$	13,947	$	39,997
Weighted average common shares outstanding-basic		87,881		87,673		87,598
Plus: net effect of dilutive stock options and restricted common shares		480		491		746
Weighted average common shares outstanding-diluted		88,361		88,164		88,344
Net income per common share-basic	$	0.28	$	0.16	$	0.46
Net income per common share-diluted	$	0.28	$	0.16	$	0.45