Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share

Schedule of computation of basic and diluted earnings per share

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars and shares in thousands)	2015		2014		2015		2014
Basic earnings per common share:
Net income available to common shareholders	$	25,140	$	19,327	$	73,938	$	53,116
Weighted-average basic common shares		23,984		23,899		23,956		23,890
Basic earnings per common share	$	1.05	$	0.81	$	3.09	$	2.22
Diluted earnings per share:
Net income available to common shareholders	$	25,140	$	19,327	$	73,938	$	53,116
Weighted-average basic common shares		23,984		23,899		23,956		23,890
Effect of dilutive securities		301		261		279		249
Weighted-average dilutive shares		24,285		24,160		24,235		24,139
Diluted earnings per common share	$	1.04	$	0.80	$	3.05	$	2.20

Schedule of anti-dilutive securities excluded from computation of diluted earnings per common share

	Three Months Ended September 30,										Nine Months Ended September 30,
(Dollars in thousands)	2015					2014					2015					2014
Number of shares					46,798					22,497					47,865					22,497
Range of exercise prices	$	61.42	to	$	66.32	$	61.49	to	$	66.32	$	61.42	to	$	66.32	$	61.49	to	$	66.32