Loans and Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of composition of loan portfolio

The following table presents the composition of the loan portfolio.

	March 31, 2016		December 31, 2015
	(In Thousands)
Commercial loans:
Commercial, financial and agricultural	$	26,864,047	$	26,022,374
Real estate – construction	2,407,511		2,354,253
Commercial real estate – mortgage	10,647,394		10,453,280
Total commercial loans	39,918,952		38,829,907
Consumer loans:
Residential real estate – mortgage	13,590,269		13,993,285
Equity lines of credit	2,433,370		2,419,815
Equity loans	547,567		580,804
Credit card	605,305		627,359
Consumer direct	995,652		936,871
Consumer indirect	3,589,756		3,495,082
Total consumer loans	21,761,919		22,053,216
Covered loans	423,819		440,961
Total loans	$	62,104,690	$	61,324,084

Disclosure of activity in allowance for loan losses during year

The following table, which excludes loans held for sale, presents a summary of the activity in the allowance for loan losses. The portion of the allowance that has not been identified by the Company as related to specific loan categories has been allocated to the individual loan categories on a pro rata basis for purposes of the table below:

	Commercial, Financial and Agricultural			Commercial Real Estate (1)			Residential Real Estate (2)			Consumer (3)			Covered			Total Loans
	(In Thousands)
Three months ended March 31, 2016
Allowance for loan losses:
Beginning balance	$	402,113		$	122,068		$	132,104		$	104,948		$	1,440		$	762,673
Provision (credit) for loan losses	83,582			(6,417		)	(3,149		)	39,273			(44		)	113,245
Loans charged off	(19,806		)	(689		)	(6,201		)	(39,953		)	(249		)	(66,898		)
Loan recoveries	1,749			969			2,419			8,283			—			13,420
Net (charge-offs) recoveries	(18,057		)	280			(3,782		)	(31,670		)	(249		)	(53,478		)
Ending balance	$	467,638		$	115,931		$	125,173		$	112,551		$	1,147		$	822,440
Three months ended March 31, 2015
Allowance for loan losses:
Beginning balance	$	299,482		$	138,233		$	154,627		$	89,891		$	2,808		$	685,041
Provision (credit) for loan losses	28,352			(185		)	(6,439		)	20,770			(467		)	42,031
Loans charged off	(6,619		)	(635		)	(6,754		)	(24,545		)	(873		)	(39,426		)
Loan recoveries	2,182			1,858			3,513			6,665			—			14,218
Net (charge-offs) recoveries	(4,437		)	1,223			(3,241		)	(17,880		)	(873		)	(25,208		)
Ending balance	$	323,397		$	139,271		$	144,947		$	92,781		$	1,468		$	701,864

(1) Includes commercial real estate – mortgage and real estate – construction loans.

(2) Includes residential real estate – mortgage, equity lines of credit and equity loans.

(3) Includes credit card, consumer direct and consumer indirect loans.

The table below provides a summary of the allowance for loan losses and related loan balances by portfolio.

	Commercial, Financial and Agricultural		Commercial Real Estate (1)		Residential Real Estate (2)		Consumer (3)		Covered		Total Loans
	(In Thousands)
March 31, 2016
Ending balance of allowance attributable to loans:
Individually evaluated for impairment	$	59,143	$	3,690	$	35,841	$	1,986	$	—	$	100,660
Collectively evaluated for impairment	408,326		112,241		89,332		110,565		—		720,464
Purchased impaired	—		—		—		—		1,093		1,093
Purchased nonimpaired	169		—		—		—		54		223
Total allowance for loan losses	$	467,638	$	115,931	$	125,173	$	112,551	$	1,147	$	822,440
Ending balance of loans:
Individually evaluated for impairment	$	561,381	$	52,021	$	176,695	$	2,880	$	—	$	792,977
Collectively evaluated for impairment	26,267,226		12,969,839		16,393,611		5,183,210		—		60,813,886
Purchased impaired	—		—		—		—		311,894		311,894
Purchased nonimpaired	35,440		33,045		900		4,623		111,925		185,933
Total loans	$	26,864,047	$	13,054,905	$	16,571,206	$	5,190,713	$	423,819	$	62,104,690
December 31, 2015
Ending balance of allowance attributable to loans:
Individually evaluated for impairment	$	27,486	$	3,725	$	38,126	$	1,880	$	—	$	71,217
Collectively evaluated for impairment	374,458		118,343		93,978		103,068		—		689,847
Purchased impaired	—		—		—		—		1,340		1,340
Purchased nonimpaired	169		—		—		—		100		269
Total allowance for loan losses	$	402,113	$	122,068	$	132,104	$	104,948	$	1,440	$	762,673
Ending balance of loans:
Individually evaluated for impairment	$	163,201	$	80,123	$	183,473	$	2,789	$	—	$	429,586
Collectively evaluated for impairment	25,828,286		12,685,320		16,809,525		5,051,488		—		60,374,619
Purchased impaired	—		—		—		—		323,092		323,092
Purchased nonimpaired	30,887		42,090		906		5,035		117,869		196,787
Total loans	$	26,022,374	$	12,807,533	$	16,993,904	$	5,059,312	$	440,961	$	61,324,084

(1) Includes commercial real estate – mortgage and real estate – construction loans.

(2) Includes residential real estate – mortgage, equity lines of credit and equity loans.

(3) Includes credit card, consumer direct and consumer indirect loans.

Schedule of impaired financing receivables

The following table presents information on individually evaluated impaired loans, by loan class.

	March 31, 2016
	Individually Evaluated Impaired Loans With No Recorded Allowance						Individually Evaluated Impaired Loans With a Recorded Allowance
	Recorded Investment		Unpaid Principal Balance		Allowance		Recorded Investment		Unpaid Principal Balance		Allowance
	(In Thousands)
Commercial, financial and agricultural	$	365,382	$	376,828	$	—	$	195,999	$	213,278	$	59,143
Real estate – construction	3,374		3,986		—		611		681		497
Commercial real estate – mortgage	24,243		26,363		—		23,793		25,488		3,193
Residential real estate – mortgage	—		—		—		103,362		103,362		6,964
Equity lines of credit	—		—		—		27,679		30,145		22,286
Equity loans	—		—		—		45,654		46,365		6,591
Credit card	—		—		—		—		—		—
Consumer direct	—		—		—		889		889		28
Consumer indirect	—		—		—		1,991		1,996		1,958
Total loans	$	392,999	$	407,177	$	—	$	399,978	$	422,204	$	100,660

	December 31, 2015
	Individually Evaluated Impaired Loans With No Recorded Allowance						Individually Evaluated Impaired Loans With a Recorded Allowance
	Recorded Investment		Unpaid Principal Balance		Allowance		Recorded Investment		Unpaid Principal Balance		Allowance
	(In Thousands)
Commercial, financial and agricultural	$	45,583	$	53,325	$	—	$	117,618	$	122,148	$	27,486
Real estate – construction	3,403		3,986		—		628		689		515
Commercial real estate – mortgage	24,851		27,486		—		51,241		54,863		3,210
Residential real estate – mortgage	6,521		6,521		—		102,375		102,375		7,370
Equity lines of credit	—		—		—		28,164		30,302		23,183
Equity loans	—		—		—		46,413		47,245		7,573
Credit card	—		—		—		—		—		—
Consumer direct	—		—		—		935		935		26
Consumer indirect	—		—		—		1,854		1,854		1,854
Total loans	$	80,358	$	91,318	$	—	$	349,228	$	360,411	$	71,217

The following table presents information on individually evaluated impaired loans, by loan class.

	Three Months Ended March 31, 2016				Three Months Ended March 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In Thousands)
Commercial, financial and agricultural	$	343,028	$	320	$	64,881	$	339
Real estate – construction	3,999		2		6,115		39
Commercial real estate – mortgage	60,504		413		88,178		580
Residential real estate – mortgage	108,918		636		113,926		695
Equity lines of credit	27,912		281		26,658		283
Equity loans	45,947		373		52,435		404
Credit card	—		—		—		—
Consumer direct	904		8		680		6
Consumer indirect	1,859		2		1,544		—
Total loans	$	593,071	$	2,035	$	354,417	$	2,346

Schedule of credit quality indicators associated with the Company's loans

The following tables, which exclude loans held for sale and covered loans, illustrate the credit quality indicators associated with the Company’s loans, by loan class.

	Commercial
	March 31, 2016
	Commercial, Financial and Agricultural		Real Estate - Construction		Commercial Real Estate - Mortgage
	(In Thousands)
Pass	$	25,175,667	$	2,394,501	$	10,401,240
Special Mention	605,493		4,299		124,577
Substandard	1,029,867		8,694		107,332
Doubtful	53,020		17		14,245
	$	26,864,047	$	2,407,511	$	10,647,394

	December 31, 2015
	Commercial, Financial and Agricultural		Real Estate - Construction		Commercial Real Estate - Mortgage
	(In Thousands)
Pass	$	24,823,312	$	2,340,145	$	10,165,630
Special Mention	469,400		5,148		142,124
Substandard	688,427		8,941		133,091
Doubtful	41,235		19		12,435
	$	26,022,374	$	2,354,253	$	10,453,280

	Consumer
	March 31, 2016
	Residential Real Estate – Mortgage		Equity Lines of Credit		Equity Loans		Credit Card		Consumer Direct		Consumer Indirect
	(In Thousands)
Noncovered loans:
Performing	$	13,470,727	$	2,398,369	$	533,141	$	595,892	$	992,019	$	3,579,221
Nonperforming	119,542		35,001		14,426		9,413		3,633		10,535
	$	13,590,269	$	2,433,370	$	547,567	$	605,305	$	995,652	$	3,589,756

	December 31, 2015
	Residential Real Estate -Mortgage		Equity Lines of Credit		Equity Loans		Credit Card		Consumer Direct		Consumer Indirect
	(In Thousands)
Noncovered loans:
Performing	$	13,877,592	$	2,381,909	$	564,110	$	617,641	$	932,773	$	3,484,426
Nonperforming	115,693		37,906		16,694		9,718		4,098		10,656
	$	13,993,285	$	2,419,815	$	580,804	$	627,359	$	936,871	$	3,495,082

Schedule of past due loans

The following tables present an aging analysis of the Company’s past due loans, excluding loans classified as held for sale.

	March 31, 2016
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual		Accruing TDRs		Total Past Due and Impaired		Not Past Due or Impaired		Total
	(In Thousands)
Commercial, financial and agricultural	$	17,837	$	9,947	$	3,012	$	568,154	$	9,545	$	608,495	$	26,255,552	$	26,864,047
Real estate – construction	4,345		827		415		5,712		2,664		13,963		2,393,548		2,407,511
Commercial real estate – mortgage	7,865		829		807		71,889		5,425		86,815		10,560,579		10,647,394
Residential real estate – mortgage	42,126		18,321		1,507		117,602		65,173		244,729		13,345,540		13,590,269
Equity lines of credit	8,959		3,779		1,010		33,991		—		47,739		2,385,631		2,433,370
Equity loans	7,027		1,447		443		13,925		37,132		59,974		487,593		547,567
Credit card	4,876		3,850		9,413		—		—		18,139		587,166		605,305
Consumer direct	8,239		3,201		2,951		682		868		15,941		979,711		995,652
Consumer indirect	61,460		11,916		4,149		6,386		—		83,911		3,505,845		3,589,756
Covered loans	5,147		2,152		36,783		693		—		44,775		379,044		423,819
Total loans	$	167,881	$	56,269	$	60,490	$	819,034	$	120,807	$	1,224,481	$	60,880,209	$	62,104,690

	December 31, 2015
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual		Accruing TDRs		Total Past Due and Impaired		Not Past Due or Impaired		Total
	(In Thousands)
Commercial, financial and agricultural	$	8,197	$	4,215	$	3,567	$	161,591	$	9,402	$	186,972	$	25,835,402	$	26,022,374
Real estate – construction	2,864		91		421		5,908		2,247		11,531		2,342,722		2,354,253
Commercial real estate – mortgage	3,843		1,461		2,237		69,953		33,904		111,398		10,341,882		10,453,280
Residential real estate – mortgage	47,323		19,540		1,961		113,234		67,343		249,401		13,743,884		13,993,285
Equity lines of credit	8,263		4,371		2,883		35,023		—		50,540		2,369,275		2,419,815
Equity loans	6,356		2,194		704		15,614		37,108		61,976		518,828		580,804
Credit card	5,563		4,622		9,718		—		—		19,903		607,456		627,359
Consumer direct	7,648		3,801		3,537		561		908		16,455		920,416		936,871
Consumer indirect	73,438		17,167		5,629		5,027		—		101,261		3,393,821		3,495,082
Covered loans	4,862		3,454		37,972		134		—		46,422		394,539		440,961
Total loans	$	168,357	$	60,916	$	68,629	$	407,045	$	150,912	$	855,859	$	60,468,225	$	61,324,084

Schedule of troubled debt restructuring loans

The following table presents an analysis of the types of loans that were restructured and classified as TDRs, excluding loans classified as held for sale.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Contracts	Post-Modification Outstanding Recorded Investment		Number of Contracts	Post-Modification Outstanding Recorded Investment
	(Dollars in Thousands)
Commercial, financial and agricultural	3	$	262	1	$	75
Real estate – construction	1	3,392		—	—
Commercial real estate – mortgage	3	1,275		—	—
Residential real estate – mortgage	17	2,338		11	1,740
Equity lines of credit	8	977		31	1,913
Equity loans	3	103		14	718
Credit card	—	—		—	—
Consumer direct	—	—		—	—
Consumer indirect	30	515		22	379
Covered loans	—	—		1	5

The following table provides a breakout of TDRs, including nonaccrual loans and covered loans and excluding loans classified as held for sale.

	March 31, 2016
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual		Total Past Due and Nonaccrual		Not Past Due or Nonaccrual		Total
	(In Thousands)
Commercial, financial and agricultural	$	—	$	121	$	—	$	15	$	136	$	9,424	$	9,560
Real estate – construction	—		—		—		3,855		3,855		2,664		6,519
Commercial real estate – mortgage	—		—		—		5,385		5,385		5,425		10,810
Residential real estate – mortgage	3,635		594		433		30,700		35,362		60,511		95,873
Equity lines of credit	—		—		—		26,739		26,739		—		26,739
Equity loans	1,664		736		58		8,648		11,106		34,674		45,780
Credit card	—		—		—		—		—		—		—
Consumer direct	—		—		—		22		22		868		890
Consumer indirect	—		—		—		1,990		1,990		—		1,990
Covered loans	—		—		—		—		—		—		—
Total loans	$	5,299	$	1,451	$	491	$	77,354	$	84,595	$	113,566	$	198,161

	December 31, 2015
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual		Total Past Due and Nonaccrual		Not Past Due or Nonaccrual		Total
	(In Thousands)
Commercial, financial and agricultural	$	—	$	—	$	—	$	131	$	131	$	9,402	$	9,533
Real estate – construction	—		—		—		495		495		2,247		2,742
Commercial real estate – mortgage	—		—		—		7,205		7,205		33,904		41,109
Residential real estate – mortgage	2,188		1,935		498		30,174		34,795		62,722		97,517
Equity lines of credit	—		—		—		27,176		27,176		—		27,176
Equity loans	1,737		782		376		9,844		12,739		34,213		46,952
Credit card	—		—		—		—		—		—		—
Consumer direct	—		—		—		27		27		908		935
Consumer indirect	—		—		—		1,853		1,853		—		1,853
Covered loans	—		—		—		8		8		—		8
Total loans	$	3,925	$	2,717	$	874	$	76,913	$	84,429	$	143,396	$	227,825

Schedule of subsequent default on restructured loans

The following table provides a summary of initial subsequent defaults that occurred within one year of the restructure date. The table excludes loans classified as held for sale as of period-end and includes loans no longer in default as of period-end.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Contracts	Recorded Investment at Default		Number of Contracts	Recorded Investment at Default
	(Dollars in Thousands)
Commercial, financial and agricultural	—	$	—	—	$	—
Real estate – construction	—	—		—	—
Commercial real estate – mortgage	—	—		1	178
Residential real estate – mortgage	—	—		4	647
Equity lines of credit	—	—		—	—
Equity loans	—	—		2	161
Credit card	—	—		—	—
Consumer direct	—	—		—	—
Consumer indirect	—	—		1	18
Covered loans	—	—		—	—