Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share

Schedule of computation of basic and diluted earnings per common share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars and shares in thousands, except for per share amounts)	2022		2021		2022		2021
Basic earnings per common share:
Net income	$	119,175	$	98,960	$	219,504	$	245,909
Weighted-average basic common shares		75,461		70,866		73,465		70,937
Basic earnings per common share	$	1.58	$	1.40	$	2.99	$	3.47
Diluted earnings per common share:
Net income	$	119,175	$	98,960	$	219,504	$	245,909
Weighted-average basic common shares		75,461		70,866		73,465		70,937
Effect of dilutive securities		633		543		639		508
Weighted-average dilutive shares		76,094		71,409		74,104		71,445
Diluted earnings per common share	$	1.57	$	1.39	$	2.96	$	3.44

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

	Three Months Ended June 30,										Six Months Ended June 30,
(Dollars in thousands)	2022					2021					2022					2021
Number of shares					57,169					62,235					57,169					62,235
Range of exercise prices	$	87.30	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35