Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Basic and diluted earnings per share

	Years ended
(Dollars in thousands, except per share data)	December 31, 2013		December 31, 2012	December 31, 2011
Net income available to common stockholders, basic and diluted	$	95,644	75,516	17,471
Average outstanding shares - basic	73,191,713		71,928,570	71,915,073
Add: dilutive stock options and awards	68,565		86	—
Average outstanding shares - diluted	73,260,278		71,928,656	71,915,073
Basic earnings per share	$	1.31	1.05	0.24
Diluted earnings per share	$	1.31	1.05	0.24