Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share

Schedule of computation of basic and diluted earnings per share

	Three Months Ended
	March 31,
(Dollars and shares in thousands, except for per share amounts)	2017		2016
Basic earnings per common share:
Net income	$	18,264	$	24,494
Weighted-average basic common shares		28,892		23,969
Basic earnings per common share	$	0.63	$	1.02
Diluted earnings per share:
Net income	$	18,264	$	24,494
Weighted-average basic common shares		28,892		23,969
Effect of dilutive securities		267		222
Weighted-average dilutive shares		29,159		24,191
Diluted earnings per common share	$	0.63	$	1.01

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

	Three Months Ended March 31,
(Dollars in thousands)	2017					2016
Number of shares					34,712					74,609
Range of exercise prices	$	69.48	to	$	91.35	$	61.42	to	$	69.48