Earnings Per Common Share (Tables)

6 Months Ended

Jun. 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				Six Months Ended
	June 30,				June 30,
($ in thousands, except per share data)	2025		2024		2025		2024
Numerator:
Net income to common shareholders	$	113,531	$	114,557	$	233,035	$	223,169
Net income allocated to participating securities - basic and diluted		486		810		1,007		1,594
Net income allocated to common shareholders - basic and diluted	$	113,045	$	113,747	$	232,028	$	221,575
Denominator:
Weighted-average common shares - basic		85,577		86,510	$	85,833	$	86,515
Dilutive potential common shares		366		255		370		253
Weighted-average common shares - diluted		85,943		86,765	$	86,203	$	86,768
Earnings per common share:
Basic	$	1.32	$	1.31	$	2.70	$	2.56
Diluted	$	1.32	$	1.31	$	2.69	$	2.55