Note 15 - Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Share-based Compensation, Activity [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
	(Dollars in thousands)
Stock option grant expense	$	2,643	$	1,123	$	5,293	$	1,499
Restricted stock awards expense		533		593		870		1,092
Total stock based compensation	$	3,176	$	1,716	$	6,163	$	2,591