Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2023

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)	2023		2022		2023		2022
Basic earnings per common share:
Net income	$	123,447	$	119,175	$	263,373	$	219,504
Weighted-average basic common shares		76,058		75,461		75,981		73,465
Basic earnings per common share	$	1.62	$	1.58	$	3.47	$	2.99
Diluted earnings per common share:
Net income	$	123,447	$	119,175	$	263,373	$	219,504
Weighted-average basic common shares		76,058		75,461		75,981		73,465
Effect of dilutive securities		360		633		413		639
Weighted-average dilutive shares		76,418		76,094		76,394		74,104
Diluted earnings per common share	$	1.62	$	1.57	$	3.45	$	2.96

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

	Three Months Ended June 30,										Six Months Ended June 30,
	2023					2022					2023					2022
Number of shares					58,247					57,169					57,169					57,169
Range of exercise prices	$	69.48	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35