Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Selected segment information

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	For the Years Ended December 31,
($ in Thousands)	2020		2019		2018
Net interest income	$	395,135	$	447,979	$	458,240
Net intersegment interest income (expense)	10,400		(52,200)		(33,519)
Segment net interest income	405,535		395,779		424,721
Noninterest income	149,456		136,097		132,071
Total revenue	554,991		531,876		556,793
Provision for credit losses	59,780		49,341		42,234
Noninterest expense	209,507		233,655		233,202
Income (loss) before income taxes	285,705		248,879		281,356
Income tax expense (benefit)	53,193		47,480		54,732
Net income	$	232,512	$	201,399	$	226,625
Allocated goodwill	$	530,144	$	530,144	$	528,832

	Community, Consumer, and Business
	For the Years Ended December 31,
($ in Thousands)	2020		2019		2018
Net interest income	$	295,297	$	301,563	$	322,020
Net intersegment interest income (expense)	54,203		93,331		76,876
Segment net interest income	349,500		394,894		398,896
Noninterest income	185,737		223,712		212,711
Total revenue	535,237		618,606		611,607
Provision for credit losses	21,862		18,594		18,500
Noninterest expense	429,447		467,086		463,187
Income (loss) before income taxes	83,928		132,925		129,920
Income tax expense (benefit)	17,625		27,914		27,283
Net income	$	66,303	$	105,011	$	102,637
Allocated goodwill	$	579,156	$	646,086	$	640,191

	Risk Management and Shared Services
	For the Years Ended December 31,
($ in Thousands)	2020		2019		2018
Net interest income	$	72,525	$	86,132	$	99,320
Net intersegment interest income (expense)	(64,603)		(41,130)		(43,357)
Segment net interest income	7,922		45,001		55,963
Noninterest income(a)	178,862		21,015		10,785
Total revenue	186,784		66,017		66,748
Provision for credit losses	92,365		(51,935)		(60,734)
Noninterest expense(b)	137,080		93,247		125,410
Income (loss) before income taxes	(42,661)		24,705		2,073
Income tax expense (benefit)(c)	(50,618)		4,325		(2,228)
Net income	$	7,957	$	20,379	$	4,301
Allocated goodwill	$	—	$	—	$	—

	Consolidated Total
	For the Years Ended December 31,
($ in Thousands)	2020		2019		2018
Net interest income	$	762,957	$	835,674	$	879,580
Net intersegment interest income (expense)	—		—		—
Segment net interest income	762,957		835,674		879,580
Noninterest income(a)	514,056		380,824		355,568
Total revenue	1,277,012		1,216,498		1,235,148
Provision for credit losses	174,006		16,000		—
Noninterest expense(b)	776,034		793,988		821,799
Income (loss) before income taxes	326,972		406,509		413,349
Income tax expense (benefit)(c)	20,200		79,720		79,786
Net income	$	306,771	$	326,790	$	333,562
Allocated goodwill	$	1,109,300	$	1,176,230	$	1,169,023