Loans and Leases (Tables)

3 Months Ended

Mar. 31, 2012

Loans and Leases Receivable Disclosure [Abstract]

Loans And Leases Outstanding

Loans and leases outstanding include the following as of the dates indicated:

	March 31, 2012		December 31, 2011		March 31, 2011
Covered loans	$	2,183,869	$	2,362,152	$	2,658,134
Noncovered loans and leases:
Commercial:
Construction and land development	346,557		381,163		373,769
Commercial mortgage	5,127,948		5,104,993		4,763,393
Other commercial real estate	150,316		144,771		147,150
Commercial and industrial	1,739,724		1,764,407		1,792,042
Lease financing	315,704		312,869		295,994
Other	149,792		158,369		174,370
Total commercial loans	7,830,041		7,866,572		7,546,718
Non-commercial:
Residential mortgage	793,612		784,118		808,650
Revolving mortgage	2,282,138		2,296,306		2,299,668
Construction and land development	132,677		137,271		145,864
Consumer	451,061		497,370		591,451
Total non-commercial loans	3,659,488		3,715,065		3,845,633
Total noncovered loans and leases	11,489,529		11,581,637		11,392,351
Total loans and leases	$	13,673,398	$	13,943,789	$	14,050,485

	March 31, 2012						December 31, 2011						March 31, 2011
	Impaired at acquisition date		All other acquired loans		Total		Impaired at acquisition date		All other acquired loans		Total		Impaired at acquisition date		All other acquired loans		Total
Covered loans:
Commercial:
Construction and land development	$	100,736	$	209,865	$	310,601	$	117,603	$	221,270	$	338,873	$	112,271	$	290,045	$	402,316
Commercial mortgage	122,876		1,072,665		1,195,541		138,465		1,122,124		1,260,589		141,869		1,290,763		1,432,632
Other commercial real estate	31,727		113,251		144,978		33,370		125,024		158,394		36,338		126,967		163,305
Commercial and industrial	17,397		75,864		93,261		27,802		85,640		113,442		31,124		139,917		171,041
Lease financing	—		45		45		—		57		57		22		249		271
Other	—		1,283		1,283		—		1,330		1,330		—		1,729		1,729
Total commercial loans	272,736		1,472,973		1,745,709		317,240		1,555,445		1,872,685		321,624		1,849,670		2,171,294
Non-commercial:
Residential mortgage	46,905		251,633		298,538		46,130		281,438		327,568		19,846		327,547		347,393
Revolving mortgage	14,125		35,891		50,016		15,350		36,202		51,552		7,341		16,068		23,409
Construction and land development	56,722		28,833		85,555		78,108		27,428		105,536		56,829		54,596		111,425
Consumer	1,453		2,598		4,051		1,477		3,334		4,811		140		4,473		4,613
Total non-commercial loans	119,205		318,955		438,160		141,065		348,402		489,467		84,156		402,684		486,840
Total covered loans	$	391,941	$	1,791,928	$	2,183,869	$	458,305	$	1,903,847	$	2,362,152	$	405,780	$	2,252,354	$	2,658,134

Composition Of The Loans And Leases Outstanding By Credit Quality Indicator

The composition of the loans and leases outstanding at March 31, 2012 and December 31, 2011 and March 31, 2011 by credit quality indicator is provided below:

	Commercial noncovered loans and leases
Grade:	Construction and Land Development		Commercial Mortgage		Other Commercial  Real Estate		Commercial  and Industrial		Lease  Financing		Other		Total Commercial Loans Not Covered by Loss Share
March 31, 2012
Pass	$	303,018	$	4,744,063	$	136,776	$	1,554,112	$	309,681	$	147,767	$	7,195,417
Special mention	20,097		243,495		6,805		35,497		3,336		2,018		311,248
Substandard	21,297		130,815		6,068		27,057		2,453		—		187,690
Doubtful	1,821		6,588		365		1,676		—		—		10,450
Ungraded	324		2,987		302		121,382		234		7		125,236
Total	$	346,557	$	5,127,948	$	150,316	$	1,739,724	$	315,704	$	149,792	$	7,830,041
December 31, 2011
Pass	$	332,742	$	4,749,254	$	130,586	$	1,556,651	$	306,225	$	157,089	$	7,232,547
Special mention	18,973		220,235		5,821		36,951		4,537		1,271		287,788
Substandard	28,793		129,391		7,794		28,240		2,107		—		196,325
Doubtful	17		1,164		377		643		—		—		2,201
Ungraded	638		4,949		193		141,922		—		9		147,711
Total	$	381,163	$	5,104,993	$	144,771	$	1,764,407	$	312,869	$	158,369	$	7,866,572
March 31, 2011
Pass	$	316,395	$	4,403,652	$	133,931	$	1,571,193	$	285,699	$	173,025	$	6,883,895
Special mention	22,416		232,019		7,415		40,023		6,228		1,299		309,400
Substandard	32,864		119,229		5,271		30,992		3,796		12		192,164
Doubtful	2,094		6,004		401		1,182		271		—		9,952
Ungraded	—		2,489		132		148,652		—		34		151,307
Total	$	373,769	$	4,763,393	$	147,150	$	1,792,042	$	295,994	$	174,370	$	7,546,718

	Non-commercial noncovered loans and leases
	Residential Mortgage		Revolving Mortgage		Construction and Land Development		Consumer		Total Non-commercial Noncovered Loans
March 31, 2012
Current	$	763,411	$	2,274,091	$	130,561	$	446,421	$	3,614,484
31-60 days past due	14,001		2,349		808		1,885		19,043
61-90 days past due	2,812		1,212		446		1,028		5,498
Over 90 days past due	13,388		4,486		862		1,727		20,463
Total	$	793,612	$	2,282,138	$	132,677	$	451,061	$	3,659,488
December 31, 2011
Current	$	757,113	$	2,286,511	$	135,774	491,142		$	3,670,540
31-60 days past due	11,790		3,437		798		3,514		19,539
61-90 days past due	2,686		2,042		127		1,271		6,126
Over 90 days past due	12,529		4,316		572		1,443		18,860
Total	$	784,118	$	2,296,306	$	137,271	$	497,370	$	3,715,065
March 31, 2011
Current	$	777,982	$	2,287,726	$	142,423	$	580,544	$	3,788,675
31-60 days past due	16,439		5,462		1,116		6,911		29,928
61-90 days past due	2,207		3,285		364		2,216		8,072
Over 90 days past due	12,022		3,195		1,961		1,780		18,958
Total	$	808,650	$	2,299,668	$	145,864	$	591,451	$	3,845,633

	Covered loans
Grade:	Construction and Land Development - Commercial		Commercial Mortgage		Other Commercial Real Estate		Commercial and Industrial		Lease Financing		Residential Mortgage		Revolving Mortgage		Construction and Land Development Non-commercial		Consumer and Other		Total Covered Loans
March 31, 2012
Pass	$	31,445	$	392,233	$	56,689	$	31,768	$	45	$	173,640	$	35,684	$	7,020	$	2,478	$	731,002
Special mention	89,243		335,020		26,736		21,376		—		18,054		802		14,263		546		506,040
Substandard	86,750		382,134		51,918		24,905		—		70,545		11,153		53,919		1,082		682,406
Doubtful	99,747		85,993		9,635		15,212		—		9,934		2,377		10,353		816		234,067
Ungraded	3,416		161		—		—		—		26,365		—		—		412		30,354
Total	$	310,601	$	1,195,541	$	144,978	$	93,261	$	45	$	298,538	$	50,016	$	85,555	$	5,334	$	2,183,869
December 31, 2011
Pass	$	29,321	$	397,526	$	49,259	$	36,409	$	57	$	189,794	$	34,164	$	4,958	$	2,393	$	743,881
Special mention	92,758		348,482		33,754		32,257		—		25,464		3,566		13,394		942		550,617
Substandard	125,158		427,996		58,351		21,914		—		70,582		9,863		72,349		1,096		787,309
Doubtful	87,936		84,871		17,030		22,862		—		13,833		3,959		14,835		982		246,308
Ungraded	3,700		1,714		—		—		—		27,895		—		—		728		34,037
Total	$	338,873	$	1,260,589	$	158,394	$	113,442	$	57	$	327,568	$	51,552	$	105,536	$	6,141	$	2,362,152
March 31, 2011
Pass	$	76,319	$	574,681	$	60,238	$	49,260	$	2	$	42,014	$	5,000	$	4,217	$	3,927	$	815,658
Special mention	112,999		339,385		31,218		49,511		—		36,430		2,225		23,127		247		595,142
Substandard	109,509		356,396		46,393		48,081		—		27,761		5,509		66,829		324		660,802
Doubtful	98,757		62,984		24,833		3,795		22		7,484		1,966		17,252		1,047		218,140
Ungraded	4,732		99,186		623		20,394		247		233,704		8,709		—		797		368,392
Total	$	402,316	$	1,432,632	$	163,305	$	171,041	$	271	$	347,393	$	23,409	$	111,425	$	6,342	$	2,658,134

Aging Of The Outstanding Loans And Leases By Class Excluding Loans Impaired At Acquisition Date

The aging of the outstanding loans and leases, by class, at March 31, 2012, December 31, 2011 and March 31, 2011 (excluding loans and leases acquired with deteriorated credit quality) is provided in the table below. The calculation of days past due begins on the day after payment is due and includes all days through which all required interest or principal have not been paid. Loans and leases 30 days or less past due are considered current due to certain grace periods that allow borrowers to make payments within a stated period after the due date and still remain in compliance with the loan agreement.

	31-60 Days Past Due		61-90 Days Past Due		Greater Than 90 Days		Total Past Due		Current		Total Loans and Leases
March 31, 2012
Noncovered loans and leases:
Construction and land development - commercial	$	2,030	$	1,366	$	3,288	$	6,684	$	339,873	$	346,557
Commercial mortgage	27,947		6,548		13,939		48,434		5,079,514		5,127,948
Other commercial real estate	787		43		193		1,023		149,293		150,316
Commercial and industrial	5,522		1,006		1,754		8,282		1,731,442		1,739,724
Lease financing	824		99		1,269		2,192		313,512		315,704
Other	—		—		—		—		149,792		149,792
Residential mortgage	14,001		2,812		13,388		30,201		763,411		793,612
Revolving mortgage	2,349		1,212		4,486		8,047		2,274,091		2,282,138
Construction and land development - non-commercial	808		446		862		2,116		130,561		132,677
Consumer	1,885		1,028		1,727		4,640		446,421		451,061
Total noncovered loans and leases	$	56,153	$	14,560	$	40,906	$	111,619	$	11,377,910	$	11,489,529
December 31, 2011
Noncovered loans and leases:
Construction and land development - commercial	$	2,623	$	1,494	$	2,177	$	6,294	$	374,869	$	381,163
Commercial mortgage	18,308		4,438		15,626		38,372		5,066,621		5,104,993
Other commercial real estate	657		147		561		1,365		143,406		144,771
Commercial and industrial	5,235		1,230		1,438		7,903		1,756,504		1,764,407
Lease financing	637		212		620		1,469		311,400		312,869
Other	—		—		—		—		158,369		158,369
Residential mortgage	11,790		2,686		12,529		27,005		757,113		784,118
Revolving mortgage	3,437		2,042		4,316		9,795		2,286,511		2,296,306
Construction and land development - non-commercial	798		127		572		1,497		135,774		137,271
Consumer	3,514		1,271		1,443		6,228		491,142		497,370
Total noncovered loans and leases	$	46,999	$	13,647	$	39,282	$	99,928	$	11,481,709	$	11,581,637
March 31, 2011
Noncovered loans and leases:
Construction and land development - commercial	$	2,006	$	116	$	3,572	$	5,694	$	368,075	$	373,769
Commercial mortgage	21,304		4,576		19,091		44,971		4,718,422		4,763,393
Other commercial real estate	860		147		585		1,592		145,558		147,150
Commercial and industrial	5,016		1,110		4,700		10,826		1,781,216		1,792,042
Lease financing	841		269		864		1,974		294,020		295,994
Other	2		—		—		2		174,368		174,370
Residential mortgage	16,439		2,207		12,022		30,668		777,982		808,650
Revolving mortgage	5,462		3,285		3,195		11,942		2,287,726		2,299,668
Construction and land development - non-commercial	1,116		364		1,961		3,441		142,423		145,864
Consumer	6,911		2,216		1,780		10,907		580,544		591,451
Total noncovered loans and leases	$	59,957	$	14,290	$	47,770	$	122,017	$	11,270,334	$	11,392,351

Recorded Investment, By Class, In Loans And Leases On Nonaccrual Status And Loans And Leases Greater Than 90 Days Past Due And Still Accruing

The recorded investment, by class, in loans and leases on nonaccrual status and loans and leases greater than 90 days past due and still accruing at March 31, 2012, December 31, 2011, and March 31, 2011 (excluding loans and leases acquired with deteriorated credit quality) is as follows:

	March 31, 2012				December 31, 2011				March 31, 2011
	Nonaccrual loans and leases		Loans and leases > 90 days and accruing		Nonaccrual loans and leases		Loans and leases > 90 days and accruing		Nonaccrual loans and leases		Loans and leases > 90 days and accruing
Noncovered loans and leases:
Construction and land development - commercial	$	11,995	$	182	$	15,102	$	313	$	25,789	$	658
Commercial mortgage	31,222		1,180		23,748		3,107		33,428		1,929
Commercial and industrial	8,148		599		1,864		320		4,583		683
Lease financing	146		1,268		200		554		1,115		65
Other commercial real estate	783		—		1,170		—		871		—
Construction and land development - non-commercial	—		862		—		572		1,140		1,139
Residential mortgage	14,069		3,542		10,657		4,227		12,932		1,646
Revolving mortgage	—		4,467		—		4,306		—		3,189
Consumer	—		1,728		—		1,441		—		1,769
Total noncovered loans and leases	$	66,363	$	13,828	$	52,741	$	14,840	$	79,858	$	11,078

Changes In Carrying Value Of Acquired Impaired Loans

When the fair values of covered loans were established, certain loans were identified as impaired. The following table provides changes in the carrying value of acquired loans during the three months ended March 31, 2012 and 2011:

	2012						2011
	Impaired at acquisition date			All other acquired loans			Impaired as acquisition date			All other acquired loans
Balance, January 1	$	458,305		$	1,903,847		$	330,705		$	1,676,747
Fair value of acquired loans covered by loss share agreements	—			—			120,670			646,489
Reductions for repayments, foreclosures and decreases in fair value	(66,364		)	(111,919		)	(45,595		)	(70,882		)
Balance, March 31	$	391,941		$	1,791,928		$	405,780		$	2,252,354
Outstanding principal balance at March 31	$	1,222,862		$	2,395,860		$	1,011,908		$	2,908,609

Changes In The Amount Of Accretable Yield

The following table documents changes to the amount of accretable yield for the first three months of 2012 and 2011. For acquired loans, improved cash flow estimates and receipt of unscheduled loan payments result in the reclassification of nonaccretable difference to accretable yield.

	2012			2011
Balance, January 1	$	276,690		$	164,586
Additions	—			57,998
Accretion	(64,896		)	(51,694		)
Reclassifications from nonaccretable difference	73,150			40,752
Disposals	—			—
Balance, March 31	$	284,944		$	211,642