Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 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 Mar 31,
($ in thousands, except per share data)	2023		2022
Net income	$	103,360	$	74,262
Preferred stock dividends	(2,875)		(2,875)
Net income available to common equity	$	100,485	$	71,387
Common shareholder dividends	(31,808)		(30,372)
Unvested share-based payment awards	(205)		(211)
Undistributed earnings	$	68,472	$	40,804
Undistributed earnings allocated to common shareholders	$	68,086	$	40,548
Undistributed earnings allocated to unvested share-based payment awards	386		256
Undistributed earnings	$	68,472	$	40,804
Basic
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, basic	$	99,894	$	70,920
Diluted
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, diluted	$	99,894	$	70,920
Weighted average common shares outstanding	149,763		148,781
Effect of dilutive common stock awards	1,365		1,711
Diluted weighted average common shares outstanding	151,128		150,492
Basic earnings per common share	$	0.67	$	0.48
Diluted earnings per common share	$	0.66	$	0.47