Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2012

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, 2012
Net interest income		$	70,086		$	80,239		$	4,343		$	154,668
Noninterest income			27,816			54,457			(714)			81,559
	Total revenue		97,902			134,696			3,629			236,227
Credit provision *			10,882			4,931			(15,813)			―
Noninterest expense			58,504			106,346			8,025			172,875
Income before income taxes			28,516			23,419			11,417			63,352
Income tax expense			9,981			8,197			2,541			20,719
Net income		$	18,535		$	15,222		$	8,876		$	42,633
Return on average allocated capital (ROT1CE) **			9.9	%		10.3	%		7.6	%		9.2	%
Three Months Ended March 31, 2011
Net interest income		$	64,016		$	83,642		$	6,065		$	153,723
Noninterest income			29,483			44,152			(1,453)			72,182
	Total revenue		93,499			127,794			4,612			225,905
Credit provision *			9,738			4,353			16,909			31,000
Noninterest expense			50,372			109,206			4,598			164,176
Income (loss) before income taxes			33,389			14,235			(16,895)			30,729
Income tax expense (benefit)			11,686			4,982			(8,792)			7,876
Net income (loss)		$	21,703		$	9,253		$	(8,103)		$	22,853
Return on average allocated capital (ROT1CE) **			11.7	%		6.9	%		(8.3)	%		3.7	%
Segment Balance Sheet Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Average Balances for 1Q 2012
Average earning assets		$	7,081,463		$	7,212,426		$	5,077,840		$	19,371,729
Average loans			7,078,409			7,212,426			19,606			14,310,441
Average deposits			4,352,399			9,432,244			1,215,924			15,000,567
Average allocated capital (T1CE) **		$	746,008		$	591,280		$	464,361		$	1,801,649
Average Balances for 1Q 2011
Average earning assets		$	6,051,968		$	6,611,525		$	6,634,373		$	19,297,866
Average loans			6,049,021			6,611,525			13,298			12,673,844
Average deposits			3,386,977			9,445,062			1,413,575			14,245,614
Average allocated capital (T1CE) **		$	738,870		$	537,805		$	389,939		$	1,666,614
* 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").