Loans and Leases (Tables)

12 Months Ended

Dec. 31, 2014

Loans and Leases Receivable Disclosure [Abstract]

Loans And Leases Outstanding

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

(Dollars in thousands)	December 31, 2014		December 31, 2013
Loans and leases (non-PCI)(1):
Commercial:
Construction and land development	550,568		319,847
Commercial mortgage	7,552,948		6,362,490
Other commercial real estate	244,875		178,754
Commercial and industrial	1,988,934		1,081,158
Lease financing	571,916		381,763
Other	353,833		175,336
Total commercial loans	11,263,074		8,499,348
Noncommercial:
Residential mortgage	2,520,542		982,421
Revolving mortgage	2,561,800		2,113,285
Construction and land development	120,097		122,792
Consumer	1,117,454		386,452
Total noncommercial loans	6,319,893		3,604,950
Total non-PCI loans and leases	17,582,967		12,104,298
Purchased credit-impaired (PCI) loans:
Commercial:
Construction and land development	$	78,079	$	78,915
Commercial mortgage	577,518		642,891
Other commercial real estate	40,193		41,381
Commercial and industrial	27,254		17,254
Other	3,079		866
Total commercial loans	726,123		781,307
Noncommercial:
Residential mortgage	382,340		213,851
Revolving mortgage	74,109		30,834
Construction and land development	912		2,583
Consumer	3,014		851
Total noncommercial loans	460,375		248,119
Total PCI loans	1,186,498		1,029,426
Total loans and leases	$	18,769,465	$	13,133,724

⁽¹⁾ Non-PCI loans include originated and purchased non-impaired loans, including non-accrual and TDR loans.

Composition Of The Loans And Leases Outstanding By Credit Quality Indicator

The composition of the loans and leases outstanding at December 31, 2014, and December 31, 2013, by credit quality indicator is provided below:

	Non-PCI commercial loans and leases
(Dollars in thousands)	Construction and land development		Commercial mortgage		Other commercial real estate		Commercial and industrial		Lease financing		Other		Total non-PCI commercial loans and leases
Grade:
December 31, 2014
Pass	$	525,711	$	7,284,714	$	242,053	$	1,859,415	$	564,319	$	349,111	$	10,825,323
Special mention	20,025		129,247		909		27,683		3,205		1,384		182,453
Substandard	4,720		134,677		1,765		8,878		3,955		3,338		157,333
Doubtful	—		2,366		—		164		365		—		2,895
Ungraded	112		1,944		148		92,794		72		—		95,070
Total	$	550,568	$	7,552,948	$	244,875	$	1,988,934	$	571,916	$	353,833	$	11,263,074
December 31, 2013
Pass	$	308,231	$	6,094,505	$	174,913	$	964,840	$	375,371	$	174,314	$	8,092,174
Special mention	8,620		119,515		1,362		14,686		2,160		982		147,325
Substandard	2,944		141,913		2,216		6,352		3,491		40		156,956
Doubtful	52		5,159		75		144		592		—		6,022
Ungraded	—		1,398		188		95,136		149		—		96,871
Total	$	319,847	$	6,362,490	$	178,754	$	1,081,158	$	381,763	$	175,336	$	8,499,348

	Non-PCI noncommercial loans and leases
(Dollars in thousands)	Residential mortgage		Revolving mortgage		Construction and land development		Consumer		Total non-PCI noncommercial loans and leases
December 31, 2014
Current	$	2,482,281	$	2,542,807	$	119,094	$	1,110,153	$	6,254,335
30-59 days past due	23,288		11,097		370		4,577		39,332
60-89 days past due	6,018		2,433		486		1,619		10,556
90 days or greater past due	8,955		5,463		147		1,105		15,670
Total	$	2,520,542	$	2,561,800	$	120,097	$	1,117,454	$	6,319,893
December 31, 2013
Current	$	955,300	$	2,095,480	$	121,026	$	382,710	$	3,554,516
30-59 days past due	12,885		10,977		1,193		2,114		27,169
60-89 days past due	4,658		2,378		317		955		8,308
90 days or greater past due	9,578		4,450		256		673		14,957
Total	$	982,421	$	2,113,285	$	122,792	$	386,452	$	3,604,950

	December 31, 2014
(Dollars in thousands)	PCI commercial loans
Grade:	Construction and land development		Commercial mortgage		Other commercial real estate		Commercial and industrial		Other		Total PCI commercial loans
Pass	$	13,514	$	300,187	$	11,033	$	16,637	$	801	$	342,172
Special mention	6,063		98,724		16,271		4,137		—		125,195
Substandard	53,739		171,920		12,889		6,312		2,278		247,138
Doubtful	2,809		6,302		—		130		—		9,241
Ungraded	1,954		385		—		38		—		2,377
Total	$	78,079	$	577,518	$	40,193	$	27,254	$	3,079	$	726,123
	December 31, 2013
	PCI commercial loans
	Construction and land development		Commercial mortgage		Other commercial real estate		Commercial and industrial		Other		Total PCI commercial loans
Pass	$	2,619	$	296,824	$	22,225	$	8,021	$	866	$	330,555
Special mention	15,530		125,295		3,431		2,585		—		146,841
Substandard	52,228		179,657		7,012		5,225		—		244,122
Doubtful	7,436		40,471		8,713		1,257		—		57,877
Ungraded	1,102		644		—		166		—		1,912
Total	$	78,915	$	642,891	$	41,381	$	17,254	$	866	$	781,307

	PCI noncommercial loans and leases
(Dollars in thousands)	Residential mortgage		Revolving mortgage		Construction and land development		Consumer		Total non-PCI noncommercial loans
December 31, 2014
Current	$	326,589	$	68,548	$	506	$	2,582	$	398,225
30-59 days past due	11,432		1,405		—		147		12,984
60-89 days past due	10,073		345		—		25		10,443
90 days or greater past due	34,246		3,811		406		260		38,723
Total	$	382,340	$	74,109	$	912	$	3,014	$	460,375
December 31, 2013
Current	$	162,771	$	26,642	$	1,925	841		$	192,179
30-59 days past due	15,261		2,138		—		3		17,402
60-89 days past due	6,544		—		—		—		6,544
90 days or greater past due	29,275		2,054		658		7		31,994
Total	$	213,851	$	30,834	$	2,583	$	851	$	248,119

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

The aging of the outstanding non-PCI loans and leases, by class, at December 31, 2014, and December 31, 2013 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 has not been paid. Loans and leases 30 days or less past due are considered current due to various 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.

	December 31, 2014
(Dollars in thousands)	30-59 days past due		60-89 days past due		90 days or greater		Total past due		Current		Total loans and leases
Non-PCI loans and leases:
Construction and land development - commercial	$	1,796	$	621	$	385	$	2,802	$	547,766	$	550,568
Commercial mortgage	11,367		4,782		8,061		24,210		7,528,738		7,552,948
Other commercial real estate	206		70		102		378		244,497		244,875
Commercial and industrial	2,843		1,545		378		4,766		1,984,168		1,988,934
Lease financing	1,631		8		2		1,641		570,275		571,916
Residential mortgage	23,288		6,018		8,955		38,261		2,482,281		2,520,542
Revolving mortgage	11,097		2,433		5,463		18,993		2,542,807		2,561,800
Construction and land development - noncommercial	370		486		147		1,003		119,094		120,097
Consumer	4,577		1,619		1,105		7,301		1,110,153		1,117,454
Other	146		1,966		—		2,112		351,721		353,833
Total non-PCI loans and leases	$	57,321	$	19,548	$	24,598	$	101,467	$	17,481,500	$	17,582,967
	December 31, 2013
	30-59 days past due		60-89 days past due		90 days or greater		Total past due		Current		Total loans and leases
Non-PCI loans and leases:
Construction and land development - commercial	$	1,603	$	9	$	457	$	2,069	$	317,778	$	319,847
Commercial mortgage	11,131		3,601		14,407		29,139		6,333,351		6,362,490
Other commercial real estate	139		210		470		819		177,935		178,754
Commercial and industrial	3,336		682		436		4,454		1,076,704		1,081,158
Lease financing	789		1,341		101		2,231		379,532		381,763
Residential mortgage	12,885		4,658		9,578		27,121		955,300		982,421
Revolving mortgage	10,977		2,378		4,450		17,805		2,095,480		2,113,285
Construction and land development - noncommercial	1,193		317		256		1,766		121,026		122,792
Consumer	2,114		955		673		3,742		382,710		386,452
Other	—		85		—		85		175,251		175,336
Total non-PCI loans and leases	$	44,167	$	14,236	$	30,828	$	89,231	$	12,015,067	$	12,104,298

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 December 31, 2014 and December 31, 2013 for non-PCI loans, were as follows:

	December 31, 2014				December 31, 2013
(Dollars in thousands)	Nonaccrual loans and leases		Loans and leases > 90 days and accruing		Nonaccrual loans and leases		Loans and leases > 90 days and accruing
Non-PCI loans and leases:
Construction and land development - commercial	$	343	$	111	$	544	$	—
Commercial mortgage	24,720		1,003		33,529		1,113
Commercial and industrial	1,741		239		1,428		294
Lease financing	374		2		832		—
Other commercial real estate	619		35		1,610		—
Construction and land development - noncommercial	—		147		457		256
Residential mortgage	14,242		3,191		14,701		1,998
Revolving mortgage	—		5,463		—		4,450
Consumer	—		1,059		69		673
Other	1,966		—		—		—
Total non-PCI loans and leases	$	44,005	$	11,250	$	53,170	$	8,784

Changes In Carrying Value Of Acquired Impaired Loans

The following table provides changes in the carrying value of purchased credit-impaired loans during the years ended December 31, 2014 and 2013:

(Dollars in thousands)	2014			2013
Balance at January 1	$	1,029,426		$	1,809,235
Fair value of PCI loans acquired during the year	623,408			—
Accretion	112,368			224,672
Payments received and other changes, net	(578,704		)	(1,004,481		)
Balance at December 31	$	1,186,498		$	1,029,426
Unpaid principal balance at December 31	$	2,057,691		$	1,833,955

Changes In The Amount Of Accretable Yield

Purchased non-impaired loans and leases

The following table relates to purchased non-impaired loans and leases and provides the contractually required payments, estimate of contractual cash flows not expected to be collected and fair value of the acquired loans at the merger date.

(Dollars in thousands)
Contractually required payments	$	4,708,681
Contractual cash flows not expected to be collected	$	59,187
Fair value at acquisition date	$	4,175,586

The recorded fair values of purchased non-impaired loans and leases acquired in the Bancorporation transaction as of the merger date is as follows:

(Dollars in thousands)
Commercial:
Construction and land development	$	134,941
Commercial mortgage	951,794
Other commercial real estate	61,856
Commercial and industrial	431,367
Lease financing	72,563
Other	95,379
Total commercial loans and leases	1,747,900
Noncommercial:
Residential mortgage	1,305,140
Revolving mortgage	419,106
Construction and land development	7,165
Consumer	696,275
Total noncommercial loans and leases	2,427,686
Total non-PCI loans and leases	$	4,175,586

The unamortized discount related to the purchased non-impaired loans and leases acquired in the Bancorporation merger totaled $61.2 million at December 31, 2014.