Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Basic and diluted earnings per share

Basic and diluted earnings per share has been computed based on the following:

	Three Months ended			Nine Months ended
(Dollars in thousands, except per share data)	September 30, 2017		September 30, 2016	September 30, 2017	September 30, 2016
Net income available to common stockholders, basic and diluted	$	36,479	30,957	101,421	90,090
Average outstanding shares - basic	78,004,450		76,288,640	77,379,514	76,195,550
Add: dilutive restricted stock awards	61,492		62,233	63,430	51,501
Average outstanding shares - diluted	78,065,942		76,350,873	77,442,944	76,247,051
Basic earnings per share	$	0.47	0.40	1.31	1.18
Diluted earnings per share	$	0.47	0.40	1.31	1.18