Business Segments (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Schedule of Operating Results and Key Financial Measures by Operating Segments

The following tables present the operating results and other key financial measures for the individual operating segments as of and for the years ended December 31, 2022, 2021 and 2020:

($ in thousands)	Consumer and Business Banking		Commercial Banking		Other		Total
Year Ended December 31, 2022
Net interest income (loss) before provision for credit losses	$	1,170,850	$	892,386	$	(17,355)	$	2,045,881
Provision for credit losses	27,197		46,303		—		73,500
Noninterest income	110,139		179,248		9,279		298,666
Noninterest expense	397,882		314,185		147,326		859,393
Segment income (loss) before income taxes	855,910		711,146		(155,402)		1,411,654
Segment net income	$	608,120	$	507,467	$	12,496	$	1,128,083
As of December 31, 2022
Segment assets	$	17,385,804	$	33,042,785	$	13,683,561	$	64,112,150

($ in thousands)	Consumer and Business Banking		Commercial Banking		Other		Total
Year Ended December 31, 2021
Net interest income before reversal of provision for credit losses	$	697,101	$	766,202	$	68,268	$	1,531,571
Reversal of provision for credit losses	(4,998)		(30,002)		—		(35,000)
Noninterest income	94,125		163,768		28,002		285,895
Noninterest expense	364,635		275,649		155,805		796,089
Segment income (loss) before income taxes	431,589		684,323		(59,535)		1,056,377
Segment net income	$	308,630	$	489,233	$	75,118	$	872,981
As of December 31, 2021
Segment assets	$	14,961,809	$	28,556,706	$	17,352,186	$	60,870,701

($ in thousands)	Consumer and Business Banking		Commercial Banking		Other		Total
Year Ended December 31, 2020
Net interest income before provision for credit losses	$	530,829	$	706,286	$	140,078	$	1,377,193
Provision for credit losses	3,885		206,768		—		210,653
Noninterest income	64,115		142,337		29,095		235,547
Noninterest expense	331,750		266,923		117,649		716,322
Segment income before income taxes	259,309		374,932		51,524		685,765
Segment net income	$	185,782	$	268,476	$	113,539	$	567,797
As of December 31, 2020
Segment assets	$	13,351,060	$	26,958,766	$	11,847,087	$	52,156,913