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,
(Dollars in thousands, except share and per share data)	2017		2016		2017		2016
Net income	$	51,415	$	34,831	$	100,356	$	80,994
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,840,188		78,846,237		79,772,268		79,290,378
Dilutive effect of weighted-average outstanding common share equivalents
Warrants		410,677		539,201		413,626		495,785
Options		24,169		92,455		29,002		87,737
Restricted stock units		287,573		141,990		273,410		132,966
Diluted weighted-average number of common shares outstanding		80,562,607		79,619,883		80,488,306		80,006,866
Average stock options and warrants with anti-dilutive effect		0		177,642		9,895		268,593
Earnings per common share:
Basic	$	0.64	$	0.44	$	1.26	$	1.02
Diluted	$	0.64	$	0.44	$	1.25	$	1.01