Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Selected segment information

Information about the Corporation’s segments is presented below.

Segment Income Statement Data
($ in Thousands)	Corporate and Commercial Specialty			Community, Consumer, and Business			Risk Management and Shared Services			Consolidated Total
Three Months Ended March 31, 2017
Net interest income	$	89,388		$	88,928		$	1,958		$	180,274
Noninterest income	11,993			64,870			2,968			79,831
Total revenue	101,381			153,798			4,926			260,105
Credit provision*	11,580			4,507			(7,087		)	9,000
Noninterest expense	37,479			116,097			20,115			173,691
Income (loss) before income taxes	52,322			33,194			(8,102		)	77,414
Income tax expense (benefit)	17,649			11,618			(8,123		)	21,144
Net income	$	34,673		$	21,576		$	21		$	56,270
Return on average allocated capital (ROCET1)**	12.6		%	15.2		%	(2.5		)%	10.6		%
Three Months Ended March 31, 2016
Net interest income	$	79,164		$	85,605		$	7,218		$	171,987
Noninterest income	11,613			63,748			7,831			83,192
Total revenue	90,777			149,353			15,049			255,179
Credit provision*	12,739			6,142			1,119			20,000
Noninterest expense	34,403			121,295			18,273			173,971
Income (loss) before income taxes	43,635			21,916			(4,343		)	61,208
Income tax expense (benefit)	14,579			7,670			(3,575		)	18,674
Net income (loss)	$	29,056		$	14,246		$	(768	)	$	42,534
Return on average allocated capital (ROCET1)**	11.3		%	9.1		%	(5.0		)%	8.6		%

Segment Balance Sheet Data
($ in Thousands)	Corporate and Commercial Specialty		Community, Consumer, and Business		Risk Management and Shared Services		Consolidated Total
Three Months Ended March 31, 2017
Average earning assets	$	10,759,811	$	9,130,457	$	6,449,046	$	26,339,314
Average loans	10,753,314		9,128,656		190,755		20,072,725
Average deposits	6,420,401		11,337,064		3,708,257		21,465,722
Average allocated capital (CET1)**	$	1,114,610	$	576,464	$	370,675	$	2,061,749
Three Months Ended March 31, 2016
Average earning assets	$	9,720,028	$	9,120,319	$	6,432,026	$	25,272,373
Average loans	9,711,221		9,119,020		92,589		18,922,830
Average deposits	5,918,341		11,100,195		3,556,638		20,575,174
Average allocated capital (CET1)**	$	1,031,659	$	627,211	$	237,611	$	1,896,481
* The consolidated credit provision is equal to the actual reported provision for credit losses.
** The Federal Reserve establishes capital adequacy requirements for the Corporation, including common equity Tier 1. For segment reporting purposes, the ROCET1 reflects return on average allocated common equity Tier 1. The ROCET1 for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.