Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

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)	2020		2019
Basic earnings per common share:
Net income	$	24,110	$	44,367
Weighted-average basic common shares		33,566		35,445
Basic earnings per common share	$	0.72	$	1.25
Diluted earnings per share:
Net income	$	24,110	$	44,367
Weighted-average basic common shares		33,566		35,445
Effect of dilutive securities		239		174
Weighted-average dilutive shares		33,805		35,619
Diluted earnings per common share	$	0.71	$	1.25

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

	Three Months Ended March 31,
(Dollars in thousands)	2020					2019
Number of shares					62,235					87,917
Range of exercise prices	$	87.30	to	$	91.35	$	63.54	to	$	91.35