Business Segments (Tables)

12 Months Ended

Dec. 31, 2019

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, 2019, 2018 and 2017:

($ 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		16,835		209,377
Noninterest expense	343,001		263,064		128,523		734,588
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		15,015			210,909
Noninterest expense	341,396		237,520		135,550			714,466
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

($ in thousands)	Consumer and Business Banking		Commercial Banking		Other			Total
Year Ended December 31, 2017
Net interest income before provision for credit losses	$	590,821	$	553,817	$	40,431		$	1,185,069
Provision for credit losses	1,812		44,454		—			46,266
Noninterest income	54,451		110,089		93,208			257,748
Noninterest expense	323,318		200,153		137,980			661,451
Segment income (loss) before income taxes	320,142		419,299		(4,341		)	735,100
Segment net income	$	187,571	$	246,404	$	71,649		$	505,624
As of December 31, 2017
Segment assets	$	9,316,587	$	21,431,472	$	6,373,504		$	37,121,563