Note 4 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2017

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)	2017		2016
Net income	$	48,941	$	46,163
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,703,593		79,734,519
Dilutive effect of weighted-average outstanding common share equivalents
Warrants		416,607		452,368
Options		33,888		83,018
Restricted stock units		259,090		123,944
Diluted weighted-average number of common shares outstanding		80,413,178		80,393,849
Average stock options and warrants with anti-dilutive effect		19,900		359,544
Earnings per common share:
Basic	$	0.61	$	0.58
Diluted	$	0.61	$	0.57