Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

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
(Dollars in thousands, except per share data)	March 31, 2016		March 31, 2015
Net income available to common stockholders, basic and diluted	$	28,682	27,670
Average outstanding shares - basic	76,126,251		75,206,348
Add: dilutive stock options and awards	47,166		38,611
Average outstanding shares - diluted	76,173,417		75,244,959
Basic earnings per share	$	0.38	0.37
Diluted earnings per share	$	0.38	0.37