Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Selected segment information

Segment Income Statement Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Three Months Ended March 31, 2013
Net interest income		$	77,184		$	79,262		$	1,207		$	157,653
Noninterest income			23,169			54,195			4,636			82,000
	Total revenue		100,353			133,457			5,843			239,653
Credit provision *			12,435			4,944			(13,379)			4,000
Noninterest expense			46,747			110,438			9,730			166,915
Income before income taxes			41,171			18,075			9,492			68,738
Income tax expense			14,410			6,326			614			21,350
Net income		$	26,761		$	11,749		$	8,878		$	47,388
Return on average allocated capital (ROT1CE) **			14.4	%		8.6	%		5.6	%		10.1	%
Three Months Ended March 31, 2012
Net interest income		$	71,373		$	79,534		$	3,761		$	154,668
Noninterest income			19,641			53,094			5,711			78,446
	Total revenue		91,014			132,628			9,472			233,114
Credit provision *			10,925			4,873			(15,798)			―
Noninterest expense			47,818			106,698			15,246			169,762
Income before income taxes			32,271			21,057			10,024			63,352
Income tax expense			11,295			7,370			2,054			20,719
Net income		$	20,976		$	13,687		$	7,970		$	42,633
Return on average allocated capital (ROT1CE) **			11.9	%		9.8	%		5.1	%		9.2	%
Segment Balance Sheet Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Average Balances for 1Q 2013
Average earning assets		$	8,156,150		$	7,298,554		$	5,226,215		$	20,680,919
Average loans			8,145,829			7,298,554			3,769			15,448,152
Average deposits			5,374,633			9,598,352			2,173,399			17,146,384
Average allocated capital (T1CE) **		$	754,399		$	554,672		$	547,360		$	1,856,431
Average Balances for 1Q 2012
Average earning assets		$	6,996,753		$	7,297,135		$	5,077,841		$	19,371,729
Average loans			6,993,699			7,297,135			19,607			14,310,441
Average deposits			4,278,618			9,506,024			1,215,925			15,000,567
Average allocated capital (T1CE) **		$	709,873		$	561,397		$	530,379		$	1,801,649
* The consolidated credit provision is equal to the actual reported provision for loan losses.
** ROT1CE reflects return on average allocated Tier 1 common equity ("T1CE"). The ROT1CE for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends and discount accretion.