Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Computation of Earnings Per Common Share

A summary of the information used in the computation of earnings per common share follows.

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
($ in thousands, except per share data)	2025		2024		2025		2024
Numerator:
Net income to common shareholders	$	127,466	$	115,572	$	360,501	$	338,741
Net income allocated to participating securities - basic and diluted		552		772		1,559		2,366
Net income allocated to common shareholders - basic and diluted	$	126,914	$	114,800	$	358,942	$	336,375
Denominator:
Weighted-average common shares - basic		84,871		86,234	$	85,509	$	86,421
Dilutive potential common shares		582		326		468		229
Weighted-average common shares - diluted		85,453		86,560	$	85,977	$	86,650
Earnings per common share:
Basic	$	1.50	$	1.33	$	4.20	$	3.89
Diluted	$	1.49	$	1.33	$	4.17	$	3.88