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Loans (Tables)

6 Months Ended

Jun. 30, 2013

Loans were as follows:


	June 30,			Percentage			December 31,			Percentage
	2013			of Total			2012			of Total
Commercial and industrial:
Commercial	$	4,292,893			46.5	%	$	4,357,100			47.2	%
Leases		304,717			3.3			278,535			3.0
Asset-based		175,007			1.9			192,977			2.1

Total commercial and industrial		4,772,617			51.7			4,828,612			52.3
Commercial real estate:
Commercial mortgages		2,552,174			27.6			2,495,481			27.1
Construction		588,743			6.4			608,306			6.6
Land		230,351			2.5			216,008			2.3

Total commercial real estate		3,371,268			36.5			3,319,795			36.0
Consumer real estate:
Home equity loans		318,339			3.4			310,675			3.4
Home equity lines of credit		193,464			2.1			186,522			2.0
1-4 family residential mortgages		33,671			0.4			38,323			0.4
Construction		13,654			0.1			17,621			0.2
Other		226,077			2.5			224,206			2.4

Total consumer real estate		785,205			8.5			777,347			8.4

Total real estate		4,156,473			45.0			4,097,142			44.4
Consumer and other:
Consumer installment		318,824			3.4			311,310			3.4
Other		6,498			0.1			8,435			0.1

Total consumer and other		325,322			3.5			319,745			3.5
Unearned discounts		(21,869	)		(0.2	)		(21,651	)		(0.2	)

Total loans	$	9,232,543			100.0	%	$	9,223,848			100.0	%

Non-Accrual Loans, Segregated by Class of Loans

Non-accrual loans, segregated by class of loans, were as follows:


	June 30,		December 31,
	2013		2012
Commercial and industrial:
Energy	$	228	$	1,150
Other commercial		40,790		45,158
Commercial real estate:
Buildings, land and other		41,615		38,631
Construction		1,015		1,100
Consumer real estate		2,379		2,773
Consumer and other		687		932

Total	$	86,714	$	89,744

Age Analysis of Past Due Loans, Segregated by Class of Loans

An age analysis of past due loans (including both accruing and non-accruing loans), segregated by class of loans, as of June 30, 2013 was as follows:


	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	$	397	$	758	$	1,155	$	1,016,182		$	1,017,337		$	530
Other commercial		13,841		18,173		32,014		3,723,266			3,755,280			6,570
Commercial real estate:
Buildings, land and other		15,248		29,484		44,732		2,737,793			2,782,525			430
Construction		5,771		81		5,852		582,891			588,743			81
Consumer real estate		5,989		3,504		9,493		775,712			785,205			3,205
Consumer and other		4,103		485		4,588		320,734			325,322			408
Unearned discounts		—		—		—		(21,869	)		(21,869	)		—

Total	$	45,349	$	52,485	$	97,834	$	9,134,709		$	9,232,543		$	11,224

Impaired Loans

Impaired loans are set forth in the following table. No interest income was recognized on impaired loans subsequent to their classification as impaired.


	Unpaid		Recorded		Recorded
	Contractual		Investment		Investment		Total
	Principal		With No		With		Recorded		Related
	Balance		Allowance		Allowance		Investment		Allowance
June 30, 2013
Commercial and industrial:
Energy	$	—	$	—	$	—	$	—	$	—
Other commercial		47,024		28,127		8,437		36,564		4,150
Commercial real estate:
Buildings, land and other		46,772		23,442		14,986		38,428		3,344
Construction		1,460		1,015		—		1,015		—
Consumer real estate		933		802		—		802		—
Consumer and other		403		365		—		365		—

Total	$	96,592	$	53,751	$	23,423	$	77,174	$	7,494

December 31, 2012
Commercial and industrial:
Energy	$	1,255	$	—	$	1,069	$	1,069	$	900
Other commercial		56,784		21,709		19,096		40,805		4,200
Commercial real estate:
Buildings, land and other		44,652		19,010		17,149		36,159		3,137
Construction		1,497		1,100		—		1,100		—
Consumer real estate		961		864		—		864		—
Consumer and other		428		400		—		400		—

Total	$	105,577	$	43,083	$	37,314	$	80,397	$	8,237

Average Recorded Investment In Impaired Loans

The average recorded investment in impaired loans was as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Commercial and industrial:
Energy	$	—	$	—	$	356	$	—
Other commercial		40,331		41,970		40,489		41,090
Commercial real estate:
Buildings, land and other		37,473		39,055		37,035		39,680
Construction		1,035		1,717		1,057		1,572
Consumer real estate		818		1,928		833		2,109
Consumer and other		375		487		383		509

Total	$	80,032	$	85,157	$	80,153	$	84,960

Troubled Debt Restructurings

Troubled debt restructurings during the six months ended June 30, 2013 are set forth in the following table. Amounts represent the aggregate balance of the loans as of their individual restructuring dates. There were no troubled debt restructurings during the six months ended June 30, 2012.


Commercial and industrial:
Other commercial	$	2,138
Commercial real estate:
Buildings, land and other		4,165

	$	6,303

Weighted Average Risk Grades for All Commercial Loans by Class

The following table presents weighted average risk grades for all commercial loans by class.


	June 30, 2013				December 31, 2012
	Weighted				Weighted
	Average				Average
	Risk Grade		Loans		Risk Grade		Loans
Commercial and industrial:
Energy
Risk grades 1-8		5.28	$	1,009,557		5.24	$	1,081,725
Risk grade 9		9.00		7,395		9.00		392
Risk grade 10		10.00		—		10.00		—
Risk grade 11		11.00		385		11.00		—
Risk grade 12		12.00		—		12.00		169
Risk grade 13		13.00		—		13.00		900

Total energy		5.31	$	1,017,337		5.25	$	1,083,186

Other commercial
Risk grades 1-8		5.91	$	3,481,071		5.81	$	3,367,443
Risk grade 9		9.00		148,192		9.00		250,508
Risk grade 10		10.00		28,187		10.00		28,440
Risk grade 11		11.00		56,811		11.00		53,797
Risk grade 12		12.00		36,070		12.00		40,603
Risk grade 13		13.00		4,949		13.00		4,635

Total other commercial		6.21	$	3,755,280		6.21	$	3,745,426

Commercial real estate:
Buildings, land and other
Risk grades 1-8		6.56	$	2,564,596		6.63	$	2,460,448
Risk grade 9		9.00		74,938		9.00		92,041
Risk grade 10		10.00		38,397		10.00		42,603
Risk grade 11		11.00		62,929		11.00		77,658
Risk grade 12		12.00		38,321		12.00		35,602
Risk grade 13		13.00		3,344		13.00		3,137

Total commercial real estate		6.86	$	2,782,525		6.97	$	2,711,489

Construction
Risk grades 1-8		6.85	$	563,561		6.82	$	579,108
Risk grade 9		9.00		20,977		9.00		23,046
Risk grade 10		10.00		2,490		10.00		4,435
Risk grade 11		11.00		700		11.00		617
Risk grade 12		12.00		1,015		12.00		1,100
Risk grade 13		13.00		—		13.00		—

Total construction		6.95	$	588,743		6.94	$	608,306

Net (Charge-Offs)/Recoveries, Segregated by Class of Loans

Net (charge-offs)/recoveries, segregated by class of loans, were as follows:


	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Commercial and industrial:
Energy	$	—		$	—		$	(900	)	$	4
Other commercial		(2,883	)		(3,180	)		(18,510	)		(4,855	)
Commercial real estate:
Buildings, land and other		(244	)		493			(29	)		(1,867	)
Construction		116			12			230			22
Consumer real estate		15			(519	)		(261	)		(285	)
Consumer and other		(768	)		(694	)		(1,158	)		(973	)

Total	$	(3,764	)	$	(3,888	)	$	(20,628	)	$	(7,954	)

Unallocated Portion of Allowance for Loan Losses

The following table presents details of the allowance for loan losses, segregated by loan portfolio segment.


	Commercial
	and			Commercial			Consumer			Consumer
	Industrial			Real Estate			Real Estate			and Other			Unallocated		Total
June 30, 2013
Historical valuation allowances	$	24,910		$	12,741		$	2,591		$	7,896		$	—	$	48,138
Specific valuation allowances		4,150			3,344			—			—			—		7,494
General valuation allowances:
Environmental risk adjustment		4,896			3,073			620			2,041			—		10,630
Distressed industries		8,005			512			—			—			—		8,517
Excessive industry concentrations		3,705			1,303			—			—			—		5,008
Large relationship concentrations		1,335			944			—			—			—		2,279
Highly-leveraged credit relationships		4,497			761			—			—			—		5,258
Policy exceptions		—			—			—			—			2,190		2,190
Credit and collateral exceptions		—			—			—			—			1,707		1,707
Loans not reviewed by concurrence		1,994			2,145			2,178			1,035			—		7,352
Adjustment for recoveries		(2,678	)		(1,250	)		(472	)		(6,842	)		—		(11,242	)
General macroeconomic risk		—			—			—			—			6,069		6,069

Total	$	50,814		$	23,573		$	4,917		$	4,130		$	9,966	$	93,400

December 31, 2012
Historical valuation allowances	$	30,565		$	15,687		$	3,013		$	7,344		$	—	$	56,609
Specific valuation allowances		5,100			3,137			—			—			—		8,237
General valuation allowances:
Environmental risk adjustment		6,593			3,682			684			1,816			—		12,775
Distressed industries		5,883			1,182			—			—			—		7,065
Excessive industry concentrations		4,291			2,795			—			—			—		7,086
Large relationship concentrations		1,420			981			—			—			—		2,401
Highly-leveraged credit relationships		2,905			699			—			—			—		3,604
Policy exceptions		—			—			—			—			2,466		2,466
Credit and collateral exceptions		—			—			—			—			1,635		1,635
Loans not reviewed by concurrence		2,277			2,413			2,411			1,159			—		8,260
Adjustment for recoveries		(4,870	)		(1,230	)		(856	)		(6,812	)		—		(13,768	)
General macroeconomic risk		—			—			—			—			8,083		8,083

Total	$	54,164		$	29,346		$	5,252		$	3,507		$	12,184	$	104,453

Activity in Allowance for Loan Losses by Portfolio Segment

The following table details activity in the allowance for loan losses by portfolio segment for the three and six months ended June 30, 2013 and 2012. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.


	Commercial
	and			Commercial			Consumer			Consumer
	Industrial			Real Estate			Real Estate			and Other			Unallocated			Total
Three months ended:
June 30, 2013
Beginning balance	$	51,085		$	24,809		$	5,148		$	3,724		$	8,823		$	93,589
Provision for loan losses		2,612			(1,108	)		(246	)		1,174			1,143			3,575
Charge-offs		(3,586	)		(415	)		(159	)		(2,374	)		—			(6,534	)
Recoveries		703			287			174			1,606			—			2,770

Net charge-offs		(2,883	)		(128	)		15			(768	)		—			(3,764	)

Ending balance	$	50,814		$	23,573		$	4,917		$	4,130		$	9,966		$	93,400

June 30, 2012
Beginning balance	$	45,869		$	20,003		$	3,699		$	8,715		$	28,895		$	107,181
Provision for loan losses		10,786			7,123			2,055			(4,372	)		(13,237	)		2,355
Charge-offs		(4,474	)		(353	)		(606	)		(2,229	)		—			(7,662	)
Recoveries		1,294			858			87			1,535			—			3,774

Net charge-offs		(3,180	)		505			(519	)		(694	)		—			(3,888	)

Ending balance	$	53,475		$	27,631		$	5,235		$	3,649		$	15,658		$	105,648

Six months ended:
June 30, 2013
Beginning balance	$	54,164		$	29,346		$	5,252		$	3,507		$	12,184		$	104,453
Provision for loan losses		16,060			(5,974	)		(74	)		1,781			(2,218	)		9,575
Charge-offs		(20,738	)		(681	)		(495	)		(4,551	)		—			(26,465	)
Recoveries		1,328			882			234			3,393			—			5,837

Net charge-offs		(19,410	)		201			(261	)		(1,158	)		—			(20,628	)

Ending balance	$	50,814		$	23,573		$	4,917		$	4,130		$	9,966		$	93,400

June 30, 2012
Beginning balance	$	42,774		$	20,912		$	3,540		$	12,635		$	30,286		$	110,147
Provision for loan losses		15,552			8,564			1,980			(8,013	)		(14,628	)		3,455
Charge-offs		(7,486	)		(3,195	)		(895	)		(4,214	)		—			(15,790	)
Recoveries		2,635			1,350			610			3,241			—			7,836

Net charge-offs		(4,851	)		(1,845	)		(285	)		(973	)		—			(7,954	)

Ending balance	$	53,475		$	27,631		$	5,235		$	3,649		$	15,658		$	105,648

Allowance for Loan Losses Disaggregated on the Basis of Impairment Methodology

The following table details the amount of the allowance for loan losses allocated to each portfolio segment as of June 30, 2013, December 31, 2012 and June 30, 2012, detailed on the basis of the impairment methodology used by the Corporation.


	Commercial
	and		Commercial		Consumer		Consumer
	Industrial		Real Estate		Real Estate		and Other		Unallocated		Total
June 30, 2013
Loans individually evaluated for impairment	$	11,330	$	4,531	$	—	$	—	$	—	$	15,861
Loans collectively evaluated for impairment		39,484		19,042		4,917		4,130		9,966		77,539

Balance at June 30, 2013	$	50,814	$	23,573	$	4,917	$	4,130	$	9,966	$	93,400

December 31, 2012
Loans individually evaluated for impairment	$	13,171	$	4,366	$	—	$	—	$	—	$	17,537
Loans collectively evaluated for impairment		40,993		24,980		5,252		3,507		12,184		86,916

Balance at December 31, 2012	$	54,164	$	29,346	$	5,252	$	3,507	$	12,184	$	104,453

June 30, 2012
Loans individually evaluated for impairment	$	17,983	$	2,728	$	—	$	—	$	—	$	20,711
Loans collectively evaluated for impairment		35,492		24,903		5,235		3,649		15,658		84,937

Balance at June 30, 2012	$	53,475	$	27,631	$	5,235	$	3,649	$	15,658	$	105,648

Investment in Loans Related to Allowance for Loan Losses by Portfolio Segment Disaggregated Based on Impairment Methodology

The Corporation’s recorded investment in loans as of June 30, 2013, December 31, 2012 and June 30, 2012 related to each balance in the allowance for loan losses by portfolio segment and detailed on the basis of the impairment methodology used by the Corporation was as follows:


	Commercial
	and		Commercial		Consumer		Consumer		Unearned
	Industrial		Real Estate		Real Estate		and Other		Discounts			Total
June 30, 2013
Loans individually evaluated for impairment	$	126,402	$	147,196	$	802	$	365	$	—		$	274,765
Loans collectively evaluated for impairment		4,646,215		3,224,072		784,403		324,957		(21,869	)		8,957,778

Ending balance	$	4,772,617	$	3,371,268	$	785,205	$	325,322	$	(21,869	)	$	9,232,543

December 31, 2012
Loans individually evaluated for impairment	$	128,544	$	165,152	$	864	$	400	$	—		$	294,960
Loans collectively evaluated for impairment		4,700,068		3,154,643		776,483		319,345		(21,651	)		8,928,888

Ending balance	$	4,828,612	$	3,319,795	$	777,347	$	319,745	$	(21,651	)	$	9,223,848

June 30, 2012
Loans individually evaluated for impairment	$	183,964	$	198,000	$	1,279	$	439	$	—		$	383,682
Loans collectively evaluated for impairment		4,125,925		2,921,902		760,781		316,564		(19,091	)		8,106,081

Ending balance	$	4,309,889	$	3,119,902	$	762,060	$	317,003	$	(19,091	)	$	8,489,763