Loans (Tables)

3 Months Ended

Mar. 31, 2012

Loans [Abstract]

Loans

	March 31,			Percentage			December 31,			Percentage			March 31,			Percentage
	2012			of Total			2011			of Total			2011			of Total
Commercial and industrial:
Commercial	$	3,709,450			45.7	%	$	3,553,989			44.5	%	$	3,393,769			42.3	%
Leases		193,162			2.4			193,412			2.4			194,692			2.4
Asset-based		140,240			1.7			169,466			2.1			134,783			1.7
Total commercial and industrial		4,042,852			49.8			3,916,867			49.0			3,723,244			46.4
Commercial real estate:
Commercial mortgages		2,357,206			29.0			2,383,479			29.8			2,410,760			30.0
Construction		493,600			6.1			434,870			5.5			574,637			7.2
Land		184,078			2.2			202,478			2.5			227,297			2.8
Total commercial real estate		3,034,884			37.3			3,020,827			37.8			3,212,694			40.0
Consumer real estate:
Home equity loans		288,961			3.6			282,244			3.5			274,952			3.4
Home equity lines of credit		190,371			2.4			191,960			2.4			187,573			2.3
1-4 family residential mortgages		43,284			0.5			45,943			0.6			53,587			0.7
Construction		18,910			0.2			17,544			0.2			23,504			0.3
Other		219,760			2.7			225,118			2.8			244,752			3.1
Total consumer real estate		761,286			9.4			762,809			9.5			784,368			9.8
Total real estate		3,796,170			46.7			3,783,636			47.3			3,997,062			49.8
Consumer and other:
Consumer installment		296,057			3.6			301,518			3.8			307,812			3.9
Other		8,415			0.1			11,018			0.1			17,310			0.2
Total consumer and other		304,472			3.7			312,536			3.9			325,122			4.1
Unearned discounts		(16,781	)		(0.2	)		(17,910	)		(0.2	)		(20,348	)		(0.3	)
Total loans	$	8,126,713			100.0	%	$	7,995,129			100.0	%	$	8,025,080			100.0	%

Non-Accrual Loans, Segregated By Class Of Loans

	March 31,		December 31,		March 31,
	2012		2011		2011
Commercial and industrial:
Energy	$	—	$	—	$	—
Other commercial		49,588		43,874		58,681
Commercial real estate:
Buildings, land and other		41,892		43,820		53,920
Construction		1,285		1,329		6,888
Consumer real estate		4,322		4,587		3,741
Consumer and other		783		728		581
Total	$	97,870	$	94,338	$	123,811

Age Analysis Of Past Due Loans, Segregated By Class Of Loans

	Loans 30-89 Days Past Due		Loans 90 or  More Days Past Due		Total Past Due Loans		Current Loans			Total Loans			Accruing Loans 90 or More Days Past Due
Commercial and industrial:
Energy	$	—	$	—	$	—	$	994,979		$	994,979		$	—
Other commercial		13,297		21,651		34,948		3,012,925			3,047,873			6,805
Commercial real estate:
Buildings, land and other		23,678		24,308		47,986		2,493,298			2,541,284			9,473
Construction		1,247		1,791		3,038		490,562			493,600			1,743
Consumer real estate		5,565		4,504		10,069		751,217			761,286			2,408
Consumer and other		3,547		288		3,835		300,637			304,472			189
Unearned discounts		—		—		—		(16,781	)		(16,781	)		—
Total	$	47,334	$	52,542	$	99,876	$	8,026,837		$	8,126,713		$	20,618

Impaired Loans

	Unpaid		Recorded		Recorded						Average Recorded
	Contractual		Investment		Investment		Total				Investment
	Principal		With No		With		Recorded		Related		Quarter		Year
	Balance		Allowance		Allowance		Investment		Allowance		To Date		To Date
March 31, 2012
Commercial and industrial:
Energy	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other commercial		55,632		28,932		15,804		44,736		5,356		42,034		42,034
Commercial real estate:
Buildings, land and other		47,077		36,821		2,243		39,064		1,113		39,996		39,996
Construction		1,551		1,237		—		1,237		—		1,259		1,259
Consumer real estate		2,623		1,826		751		2,577		95		2,524		2,524
Consumer and other		547		535		—		535		—		544		544
Total	$	107,430	$	69,351	$	18,798	$	88,149	$	6,564	$	86,357	$	86,357
December 31, 2011
Commercial and industrial:
Energy	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other commercial		57,723		34,712		4,619		39,331		2,696		46,151		53,830
Commercial real estate:
Buildings, land and other		51,163		38,686		2,243		40,929		1,113		41,522		48,635
Construction		1,568		1,281		—		1,281		—		1,527		4,339
Consumer real estate		2,499		1,719		751		2,470		95		2,484		1,845
Consumer and other		562		554		—		554		—		561		265
Total	$	113,515	$	76,952	$	7,613	$	84,565	$	3,904	$	92,245	$	108,914
March 31, 2011
Commercial and industrial:
Energy	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other commercial		70,411		27,742		25,245		52,987		13,066		54,215		54,215
Commercial real estate:
Buildings, land and other		62,993		42,021		9,515		51,536		3,626		56,671		56,671
Construction		7,124		6,587		—		6,587		—		7,944		7,944
Consumer real estate		1,786		1,786		—		1,786		—		1,152		1,152
Consumer and other		102		101		—		101		—		51		51
Total	$	142,416	$	78,237	$	34,760	$	112,997	$	16,692	$	120,033	$	120,033

Weighted Average Risk Grades For All Commercial Loans By Class

	March 31, 2012				December 31, 2011				March 31, 2011
	Weighted				Weighted				Weighted
	Average				Average				Average
	Risk Grade		Loans		Risk Grade		Loans		Risk Grade		Loans
Commercial and industrial:
Energy
Risk grades 1-8		5.37	$	992,463		5.21	$	868,561		5.35	$	760,093
Risk grade 9		9.00		2,516		9.00		2,025		9.00		1,477
Risk grade 10		10.00		—		10.00		—		10.00		—
Risk grade 11		11.00		—		11.00		—		11.00		—
Risk grade 12		12.00		—		12.00		—		12.00		—
Risk grade 13		13.00		—		13.00		—		13.00		—
Total energy		5.38	$	994,979		5.22	$	870,586		5.36	$	761,570
Other commercial
Risk grades 1-8		6.20	$	2,803,976		6.20	$	2,802,037		6.22	$	2,590,198
Risk grade 9		9.00		65,376		9.00		55,105		9.00		101,576
Risk grade 10		10.00		35,504		10.00		49,982		10.00		98,865
Risk grade 11		11.00		93,415		11.00		96,046		11.00		111,514
Risk grade 12		12.00		44,520		12.00		39,826		12.00		35,636
Risk grade 13		13.00		5,082		13.00		3,285		13.00		23,885
Total other commercial		6.55	$	3,047,873		6.55	$	3,046,281		6.75	$	2,961,674
Commercial real estate:
Buildings, land and other
Risk grades 1-8		6.67	$	2,233,155		6.69	$	2,266,576		6.71	$	2,253,835
Risk grade 9		9.00		104,727		9.00		103,894		9.00		138,117
Risk grade 10		10.00		33,641		10.00		45,278		10.00		79,306
Risk grade 11		11.00		127,869		11.00		126,594		11.00		101,357
Risk grade 12		12.00		40,486		12.00		41,747		12.00		58,064
Risk grade 13		13.00		1,406		13.00		1,868		13.00		7,378
Total commercial real estate		7.12	$	2,541,284		7.14	$	2,585,957		7.23	$	2,638,057
Construction
Risk grades 1-8		6.97	$	454,674		6.95	$	378,530		7.15	$	497,355
Risk grade 9		9.00		16,062		9.00		30,376		9.00		28,173
Risk grade 10		10.00		15,442		10.00		16,186		10.00		30,128
Risk grade 11		11.00		6,137		11.00		8,449		11.00		12,170
Risk grade 12		12.00		1,285		12.00		1,329		12.00		6,587
Risk grade 13		13.00		—		13.00		—		13.00		—
Risk grade 14		14.00		—		14.00		—		14.00		224
Total construction		7.19	$	493,600		7.30	$	434,870		7.53	$	574,637

Net (Charge-Offs)/Recoveries, Segregated By Class Of Loans

	Three Months Ended March 31,
	2012			2011
Commercial and industrial:
Energy	$	4		$	—
Other commercial		(1,675	)		(6,830	)
Commercial real estate:
Buildings, land and other		(2,360	)		(3,165	)
Construction		10			(156	)
Consumer real estate		234			(530	)
Consumer and other		(279	)		(764	)
Total	$	(4,066	)	$	(11,445	)

Unallocated Portion Of The Allowance For Loan Losses

	March 31,			December 31,			March 31,
	2012			2011			2011
Excessive industry concentrations	$	7,820		$	6,995		$	2,476
Large relationship concentrations		1,885			2,232			2,108
Highly-leveraged credit relationships		4,133			3,530			3,798
Policy exceptions		2,107			2,121			2,220
Credit and collateral exceptions		2,198			1,603			1,921
Loans not reviewed by concurrence		8,098			9,030			9,323
Adjustment for recoveries		(13,982	)		(13,071	)		(11,676	)
General macroeconomic risk		16,636			17,846			20,374
	$	28,895		$	30,286		$	30,544

Activity In The Allowance For Loan Losses By Portfolio Segment

	Commercial and Industrial			Commercial Real Estate			Consumer Real  Estate			Consumer and Other			Unallocated			Total
March 31, 2012
Beginning balance	$	42,774		$	20,912		$	3,540		$	12,635		$	30,286		$	110,147
Provision for loan losses		4,766			1,441			(75	)		(3,641	)		(1,391	)		1,100
Charge-offs		(3,012	)		(2,842	)		(289	)		(1,985	)		—			(8,128	)
Recoveries		1,341			492			523			1,706			—			4,062
Net charge-offs		(1,671	)		(2,350	)		234			(279	)		—			(4,066	)
Ending balance	$	45,869		$	20,003		$	3,699		$	8,715		$	28,895		$	107,181
Period-end amount allocated to:
Loans individually evaluated for impairment	$	17,842		$	2,879		$	95		$	—		$	—		$	20,816
Loans collectively evaluated for impairment		28,027			17,124			3,604			8,715			28,895			86,365
Ending balance	$	45,869		$	20,003		$	3,699		$	8,715		$	28,895		$	107,181
March 31, 2011
Beginning balance	$	57,789		$	28,534		$	3,223		$	11,974		$	24,796		$	126,316
Provision for loan losses		1,841			(662	)		792			1,731			5,748			9,450
Charge-offs		(7,597	)		(3,877	)		(820	)		(2,302	)		—			(14,596	)
Recoveries		767			556			290			1,538			—			3,151
Net charge-offs		(6,830	)		(3,321	)		(530	)		(764	)		—			(11,445	)
Ending balance	$	52,800		$	24,551		$	3,485		$	12,941		$	30,544		$	124,321
Period-end amount allocated to:
Loans individually evaluated for impairment	$	31,065		$	7,640		$	—		$	—		$	—		$	38,705
Loans collectively evaluated for impairment		21,735			16,911			3,485			12,941			30,544			85,616
Ending balance	$	52,800		$	24,551		$	3,485		$	12,941		$	30,544		$	124,321

Allowance For Possible Loan Losses Disaggregated On The Basis Of Impairment Methodology

	Commercial and Industrial		Commercial Real Estate		Consumer Real  Estate		Consumer and Other		Unearned Discounts			Total
March 31, 2012
Loans individually evaluated for impairment	$	178,521	$	226,266	$	2,577	$	535	$	—		$	407,899
Loans collectively evaluated for impairment		3,864,331		2,808,618		758,709		303,937		(16,781	)		7,718,814
Ending balance	$	4,042,852	$	3,034,884	$	761,286	$	304,472	$	(16,781	)	$	8,126,713
December 31, 2011
Loans individually evaluated for impairment	$	189,139	$	241,451	$	2,470	$	554	$	—		$	433,614
Loans collectively evaluated for impairment		3,727,728		2,779,376		760,339		311,982		(17,910	)		7,561,515
Ending balance	$	3,916,867	$	3,020,827	$	762,809	$	312,536	$	(17,910	)	$	7,995,129
March 31, 2011
Loans individually evaluated for impairment	$	269,900	$	295,214	$	—	$	—	$	—		$	565,114
Loans collectively evaluated for impairment		3,453,344		2,917,480		784,368		325,122		(20,348	)		7,459,966
Ending balance	$	3,723,244	$	3,212,694	$	784,368	$	325,122	$	(20,348	)	$	8,025,080