Note 5 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

	Three months ended March 31,
(Dollars in thousands, except share and per share data)	2018		2017
Net income	$	63,816	$	48,941
Weighted-average shares:
Basic weighted-average number of common shares outstanding		81,123,380		79,703,593
Dilutive effect of weighted-average outstanding common share equivalents
Warrants		295,453		416,607
Options		-		33,888
Restricted stock units		261,612		259,090
Diluted weighted-average number of common shares outstanding		81,680,445		80,413,178
Average stock options and restricted stock units with anti-dilutive effect		38,906		19,900
Earnings per common share:
Basic	$	0.79	$	0.61
Diluted	$	0.78	$	0.61