Business Segments (Tables)

12 Months Ended

Dec. 31, 2020

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, 2020, 2019 and 2018:

($ 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	67,115		139,365		29,067		235,547
Noninterest expense	331,750		266,923		117,649		716,322
Segment income before income taxes	262,309		371,960		51,496		685,765
Segment net income	$	187,931	$	266,342	$	113,524	$	567,797
As of December 31, 2020
Segment assets	$	13,351,060	$	26,958,766	$	11,847,087	$	52,156,913

($ in thousands)	Consumer and Business Banking		Commercial Banking		Other		Total
Year Ended December 31, 2019
Net interest income before provision for credit losses	$	696,551	$	651,413	$	119,849	$	1,467,813
Provision for credit losses	14,178		84,507		—		98,685
Noninterest income	57,920		134,622		29,703		222,245
Noninterest expense	343,001		263,064		141,391		747,456
Segment income before income taxes	397,292		438,464		8,161		843,917
Segment net income	$	284,161	$	313,833	$	76,041	$	674,035
As of December 31, 2019
Segment assets	$	11,520,586	$	25,501,534	$	7,173,976	$	44,196,096

($ in thousands)	Consumer and Business Banking		Commercial Banking		Other		Total
Year Ended December 31, 2018
Net interest income before provision for credit losses	$	727,215	$	605,650	$	53,643	$	1,386,508
Provision for credit losses	9,364		54,891		—		64,255
Noninterest income	85,607		110,287		21,539		217,433
Noninterest expense	341,396		237,520		142,074		720,990
Segment income (loss) before income taxes	462,062		423,526		(66,892)		818,696
Segment net income	$	330,683	$	303,553	$	69,465	$	703,701
As of December 31, 2018
Segment assets	$	10,587,621	$	23,761,469	$	6,693,266	$	41,042,356