Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Calculations for basic and diluted earnings per common share

Presented below are the calculations for basic and diluted earnings per common share:

	Three Months Ended Sep 30,				Nine Months Ended Sep 30,
($ in thousands, except per share data)	2023		2022		2023		2022
Net income	$	83,248	$	96,275	$	273,762	$	257,360
Preferred stock dividends	(2,875)		(2,875)		(8,625)		(8,625)
Net income available to common equity	$	80,373	$	93,400	$	265,137	$	248,735
Common shareholder dividends	(31,806)		(30,149)		(95,417)		(90,647)
Unvested share-based payment awards	(190)		(194)		(588)		(609)
Undistributed earnings	$	48,377	$	63,057	$	169,132	$	157,479
Undistributed earnings allocated to common shareholders	$	48,090	$	62,648	$	168,136	$	156,454
Undistributed earnings allocated to unvested share-based payment awards	287		409		996		1,025
Undistributed earnings	$	48,377	$	63,057	$	169,132	$	157,479
Basic
Distributed earnings to common shareholders	$	31,806	$	30,149	$	95,417	$	90,647
Undistributed earnings allocated to common shareholders	48,090		62,648		168,136		156,454
Total common shareholders earnings, basic	$	79,896	$	92,796	$	263,553	$	247,102
Diluted
Distributed earnings to common shareholders	$	31,806	$	30,149	$	95,417	$	90,647
Undistributed earnings allocated to common shareholders	48,090		62,648		168,136		156,454
Total common shareholders earnings, diluted	$	79,896	$	92,796	$	263,553	$	247,102
Weighted average common shares outstanding	150,035		149,321		149,929		149,063
Effect of dilutive common stock awards	980		942		1,042		1,141
Diluted weighted average common shares outstanding	151,014		150,262		150,971		150,205
Basic earnings per common share	$	0.53	$	0.62	$	1.76	$	1.66
Diluted earnings per common share	$	0.53	$	0.62	$	1.75	$	1.65