Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share

Schedule of computation of basic and diluted earnings per share

	Three Months Ended
	March 31,
(Dollars and shares in thousands)	2013		2012
Basic earnings per share:
Net income	$	10,649	$	7,028
Weighted-average basic shares	16,769		13,883
Basic earnings per share	$	0.64	$	0.51
Diluted earnings per share:
Net income	$	10,649	$	7,028
Weighted-average basic shares	16,769		13,883
Effect of dilutive securities	167		68
Weighted-average dilutive shares	16,936		13,951
Diluted earnings per share	$	0.63	$	0.50

Schedule of antidilutive securities excluded from computation of diluted earnings per share

	Three Months Ended
	March 31,
(Dollars in thousands)	2013	2012
Number of shares	21,361	216,268
Range of exercise prices	$41.45-$41.45	$31.10 - $40.99