Loans and leases (Tables)

12 Months Ended

Dec. 31, 2015

Receivables [Abstract]

Total Loans and Leases Outstanding

Total loans and leases outstanding were comprised of the following:

	December 31
	2015			2014
	(In thousands)
Loans
Commercial, financial, etc.	$	19,223,419		$	18,280,049
Real estate:
Residential		26,249,059			8,636,794
Commercial		24,125,778			22,614,174
Construction		5,183,313			5,061,269
Consumer		11,584,347			10,969,879
Total loans		86,365,916			65,562,165
Leases
Commercial		1,353,318			1,337,204
Total loans and leases		87,719,234			66,899,369
Less: unearned discount		(229,735	)		(230,413	)
Total loans and leases, net of unearned discount	$	87,489,499		$	66,668,956

Outstanding Principal Balance and Carrying Amount of Loans that is Included in Consolidated Balance Sheet

The outstanding principal balance and the carrying amount of loans acquired at a discount that were recorded at fair value at the acquisition date that is included in the consolidated balance sheet were as follows:

	December 31
	2015		2014
	(In thousands)
Outstanding principal balance	$	3,122,935	$	3,070,268
Carrying amount:
Commercial, financial, leasing, etc.		78,847		247,820
Commercial real estate		644,284		961,828
Residential real estate		1,016,129		453,360
Consumer		725,807		933,537
	$	2,465,067	$	2,596,545

Summary of Changes in Accretable Yield for Acquired Loans

A summary of changes in the accretable yield for loans acquired at a discount for the years ended December 31, 2015, 2014 and 2013 follows:

For Year Ended December 31,	2015						2014						2013
	Purchased			Other			Purchased			Other			Purchased			Other
	Impaired			Acquired			Impaired			Acquired			Impaired			Acquired
	(In thousands)
Balance at beginning of period	$	76,518		$	397,379		$	37,230		$	538,633		$	42,252		$	638,272
Additions		117,251			—			—			—			—			—
Interest income		(28,551	)		(158,260	)		(21,263	)		(178,670	)		(36,727	)		(247,295	)
Reclassifications from nonaccretable balance, net		19,400			49,930			60,551			24,907			31,705			149,595
Other(a)		—			7,385			—			12,509			—			(1,939	)
Balance at end of period	$	184,618		$	296,434		$	76,518		$	397,379		$	37,230		$	538,633

(a) Other changes in expected cash flows including changes in interest rates and prepayment assumptions.

Summary of Current, Past Due and Nonaccrual Loans

A summary of current, past due and nonaccrual loans as of December 31, 2015 and 2014 follows:

	Current		30-89 Days Past Due		Accruing Loans Past Due 90 Days or More (a)		Accruing Loans Acquired at a Discount Past Due 90 Days or More (b)		Purchased Impaired(c)		Nonaccrual		Total
	(In thousands)
December 31, 2015
Commercial, financial, leasing, etc.	$	20,122,648	$	52,868	$	2,310	$	693	$	1,902	$	241,917	$	20,422,338
Real estate:
Commercial		23,645,354		172,439		12,963		8,790		46,790		179,606		24,065,942
Residential builder and developer		1,507,856		7,969		5,760		6,925		28,734		28,429		1,585,673
Other commercial construction		3,428,939		65,932		7,936		2,001		24,525		16,363		3,545,696
Residential		20,507,551		560,312		284,451		16,079		488,599		153,281		22,010,273
Residential-limited documentation		3,885,073		137,289		—		—		175,518		61,950		4,259,830
Consumer:
Home equity lines and loans		5,805,222		45,604		—		15,222		2,261		84,467		5,952,776
Automobile		2,446,473		56,181		—		6		—		16,597		2,519,257
Other		3,051,435		36,702		4,021		18,757		—		16,799		3,127,714
Total	$	84,400,551	$	1,135,296	$	317,441	$	68,473	$	768,329	$	799,409	$	87,489,499
December 31, 2014
Commercial, financial, leasing, etc.	$	19,228,265	$	37,246	$	1,805	$	6,231	$	10,300	$	177,445	$	19,461,292
Real estate:
Commercial		22,208,491		118,704		22,170		14,662		51,312		141,600		22,556,939
Residential builder and developer		1,273,607		11,827		492		9,350		98,347		71,517		1,465,140
Other commercial construction		3,484,932		17,678		—		—		17,181		25,699		3,545,490
Residential		7,640,368		226,932		216,489		35,726		18,223		180,275		8,318,013
Residential-limited documentation		249,810		11,774		—		—		—		77,704		339,288
Consumer:
Home equity lines and loans		5,859,378		42,945		—		27,896		2,374		89,291		6,021,884
Automobile		1,931,138		30,500		—		133		—		17,578		1,979,349
Other		2,909,791		33,295		4,064		16,369		—		18,042		2,981,561
Total	$	64,785,780	$	530,901	$	245,020	$	110,367	$	197,737	$	799,151	$	66,668,956

(a) Excludes loans acquired at a discount.

(b) Loans acquired at a discount that were recorded at fair value at acquisition date. This category does not include purchased impaired loans that are presented separately.

(c) Accruing loans that were impaired at acquisition date and were recorded at fair value.

Loan Modification Activities that were Considered Troubled Debt Restructurings

The table below summarizes the Company’s loan modification activities that were considered troubled debt restructurings for the year ended December 31, 2015:

			Recorded Investment				Financial Effects of Modification
	Number		Pre- modifica- tion		Post- modifica- tion		Recorded Investment (a)			Interest (b)
	(Dollars in thousands)
Commercial, financial, leasing, etc.
Principal deferral		114	$	55,621	$	50,807	$	(4,814	)	$	—
Interest rate reduction		1		99		99		—			(19	)
Other		3		12,965		12,827		(138	)		—
Combination of concession types		9		32,444		31,439		(1,005	)		(245	)
Real estate:
Commercial
Principal deferral		49		49,486		48,388		(1,098	)		—
Other		3		4,169		4,087		(82	)		—
Combination of concession types		6		3,238		3,242		4			(159	)
Residential builder and developer
Principal deferral		2		10,650		10,598		(52	)		—
Other commercial construction
Principal deferral		4		368		460		92			—
Combination of concession types		2		10,375		10,375		—			(49	)
Residential
Principal deferral		58		6,194		6,528		334			—
Other		1		267		267		—			—
Combination of concession types		26		4,024		4,277		253			(483	)
Residential-limited documentation
Principal deferral		2		426		437		11			—
Combination of concession types		9		1,536		1,635		99			(121	)
Consumer:
Home equity lines and loans
Principal deferral		8		2,175		2,175		—			—
Combination of concession types		63		5,203		5,204		1			(677	)
Automobile
Principal deferral		192		1,818		1,818		—			—
Interest rate reduction		7		137		137		—			(10	)
Other		46		150		150		—			—
Combination of concession types		57		948		948		—			(43	)
Other
Principal deferral		102		1,995		1,995		—			—
Other		13		116		116		—			—
Combination of concession types		40		396		396		—			(45	)
Total		817	$	204,800	$	198,405	$	(6,395	)	$	(1,851	)

(a) Financial effects impacting the recorded investment included principal payments or advances, charge-offs and capitalized escrow arrearages.

(b) Represents the present value of interest rate concessions discounted at the effective rate of the original loan.

The table below summarizes the Company’s loan modification activities that were considered troubled debt restructurings for the year ended December 31, 2014:

			Recorded Investment				Financial Effects of Modification
	Number		Pre- modifica- tion		Post- modifica- tion		Recorded Investment (a)			Interest (b)
	(Dollars in thousands)
Commercial, financial, leasing, etc.
Principal deferral		95	$	29,035	$	23,628	$	(5,407	)	$	—
Other		3		29,912		31,604		1,692			—
Combination of concession types		7		19,167		19,030		(137	)		(20	)
Real estate:
Commercial
Principal deferral		39		19,077		18,997		(80	)		—
Interest rate reduction		1		255		252		(3	)		(48	)
Other		1		650		—		(650	)		—
Combination of concession types		7		1,152		1,198		46			(264	)
Residential builder and developer
Principal deferral		2		1,639		1,639		—			—
Other commercial construction
Principal deferral		4		6,703		6,611		(92	)		—
Residential
Principal deferral		28		2,710		2,905		195			—
Interest rate reduction		11		1,146		1,222		76			(152	)
Other		1		188		188		—			—
Combination of concession types		30		4,211		4,287		76			(483	)
Residential-limited documentation
Principal deferral		6		880		963		83			—
Combination of concession types		21		3,806		3,846		40			(386	)
Consumer:
Home equity lines and loans
Principal deferral		3		280		280		—			—
Interest rate reduction		6		535		535		—			(120	)
Combination of concession types		47		5,031		5,031		—			(560	)
Automobile
Principal deferral		208		3,293		3,293		—			—
Interest rate reduction		9		152		152		—			(12	)
Other		42		255		255		—			—
Combination of concession types		81		1,189		1,189		—			(100	)
Other
Principal deferral		33		245		245		—			—
Interest rate reduction		4		293		293		—			(63	)
Other		1		45		45		—			—
Combination of concession types		70		2,502		2,502		—			(761	)
Total		760	$	134,351	$	130,190	$	(4,161	)	$	(2,969	)

(a) Financial effects impacting the recorded investment included principal payments or advances, charge-offs and capitalized escrow arrearages.

(b) Represents the present value of interest rate concessions discounted at the effective rate of the original loan.

Summary of Lease Financing Receivables

A summary of lease financing receivables follows:

	December 31
	2015			2014
	(In thousands)
Commercial leases:
Direct financings:
Lease payments receivable	$	1,058,605		$	1,022,133
Estimated residual value of leased assets		81,269			79,525
Unearned income		(102,723	)		(103,777	)
Investment in direct financings		1,037,151			997,881
Leveraged leases:
Lease payments receivable		95,316			102,457
Estimated residual value of leased assets		118,128			133,089
Unearned income		(41,556	)		(44,288	)
Investment in leveraged leases		171,888			191,258
Total investment in leases.	$	1,209,039		$	1,189,139
Deferred taxes payable arising from leveraged leases	$	160,603		$	169,101

Minimum Future Lease Payments to be Received from Lease Financings

At December 31, 2015, the minimum future lease payments to be received from lease financings were as follows:

	(In thousands)
Year ending December 31:
2016	$	277,993
2017		245,892
2018		193,580
2019		143,406
2020		95,217
Later years		197,833
	$	1,153,921