Fair Value (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Schedule Of Assets And Liabilities Measured At Fair Value By Class On A Recurring Basis

(In thousands)	June 30, 2014
	Level 1		Level 2		Level 3		Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations	$	—	$	2,330,185			$	2,330,185
Municipal securities			178,371		$	10,038	188,409
Asset-backed securities:
Trust preferred – banks and insurance			64,347		685,805		750,152
Trust preferred – real estate investment trusts					—		—
Auction rate					6,578		6,578
Other			1,315		28		1,343
Mutual funds and stock	175,617		10,525				186,142
	175,617		2,584,743		702,449		3,462,809
Trading account			56,572				56,572
Other noninterest-bearing investments:
Bank-owned life insurance			472,740				472,740
Private equity			5,036		82,256		87,292
Other assets:
Agriculture loan servicing and interest-only strips					11,461		11,461
Deferred compensation plan assets	90,490						90,490
Derivatives:
Interest rate related and other			1,280				1,280
Interest rate swaps for customers			48,911				48,911
Foreign currency exchange contracts	6,952						6,952
	6,952		50,191				57,143
	$	273,059	$	3,169,282	$	796,166	$	4,238,507
LIABILITIES
Securities sold, not yet purchased	$	10,590					$	10,590
Other liabilities:
Deferred compensation plan obligations	90,490						90,490
Derivatives:
Interest rate related and other			$	216			216
Interest rate swaps for customers			50,379				50,379
Foreign currency exchange contracts	5,979						5,979
Total return swap					$	—	—
	5,979		50,595		—		56,574
Other					132		132
	$	107,059	$	50,595	$	132	$	157,786

(In thousands)	December 31, 2013
	Level 1		Level 2		Level 3		Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations	$	—	$	2,059,105			$	2,059,105
Municipal securities			55,602		$	10,662	66,264
Asset-backed securities:
Trust preferred – banks and insurance			—		1,238,820		1,238,820
Trust preferred – real estate investment trusts					22,996		22,996
Auction rate					6,599		6,599
Other			2,099		25,800		27,899
Mutual funds and stock	259,750		20,453				280,203
	259,750		2,137,259		1,304,877		3,701,886
Trading account			34,559				34,559
Other noninterest-bearing investments:
Bank-owned life insurance			466,428				466,428
Private equity			4,822		82,410		87,232
Other assets:
Agriculture loan servicing and interest-only strips					8,852		8,852
Deferred compensation plan assets	86,184						86,184
Derivatives:
Interest rate related and other			1,100				1,100
Interest rate swaps for customers			55,447				55,447
Foreign currency exchange contracts	9,614						9,614
	9,614		56,547				66,161
	$	355,548	$	2,699,615	$	1,396,139	$	4,451,302
LIABILITIES
Securities sold, not yet purchased	$	73,606					$	73,606
Other liabilities:
Deferred compensation plan obligations	86,184						86,184
Derivatives:
Interest rate related and other			$	1,004			1,004
Interest rate swaps for customers			54,688				54,688
Foreign currency exchange contracts	8,643						8,643
Total return swap					$	4,062	4,062
	8,643		55,692		4,062		68,397
Other					241		241
	$	168,433	$	55,692	$	4,303	$	228,428

Schedule Of Assets And Liabilities Measured At Fair Value By Class On A Recurring Basis Using Level 3 Inputs

	Level 3 Instruments
	Three Months Ended June 30, 2014
(In thousands)	Municipal securities			Trust  preferred – banks and insurance			Trust preferred  – REIT		Auction rate		Other asset-backed			Private equity investments			Ag loan svcg and int-only strips			Derivatives and other liabilities
Balance at March 31, 2014	$	10,184		$	690,217		$	—	$	6,560	$	30		$	81,052		$	11,207		$	(5,632	)
Net gains (losses) included in:
Statement of income:
Accretion of purchase discount on securities available-for-sale	8			633					1
Dividends and other investment income (loss)														(1,052		)
Fair value and nonhedge derivative loss																				(467		)
Equity securities gains, net														584
Fixed income securities gains, net	—			4,383			—				—
Other noninterest income																	45
Other noninterest expense																				101
Other comprehensive income	92			6,878					17		—
Purchases														7,104			379
Sales				—			—				—			(15		)
Redemptions and paydowns	(246		)	(16,306		)					(2		)	(5,417		)	(170		)	5,866
Transfers to Level 2				—
Balance at June 30, 2014	$	10,038		$	685,805		$	—	$	6,578	$	28		$	82,256		$	11,461		$	(132	)

	Level 3 Instruments
	Six Months Ended June 30, 2014
(In thousands)	Municipal securities			Trust  preferred – banks and insurance			Trust preferred  – REIT			Auction rate			Other asset-backed			Private equity investments			Ag loan svcg and int-only strips			Derivatives and other liabilities
Balance at December 31, 2013	$	10,662		$	1,238,820		$	22,996		$	6,599		$	25,800		$	82,410		$	8,852		$	(4,303	)
Net gains (losses) included in:
Statement of income:
Accretion of purchase discount on securities available-for-sale	18			1,353						2
Dividends and other investment income (loss)																(2,747		)
Fair value and nonhedge derivative loss																						(7,894		)
Equity securities gains, net																584
Fixed income securities gains, net	16			22,965			1,399						10,917
Other noninterest income																			526
Other noninterest expense																						109
Other comprehensive income (loss)	(182		)	101,340			—			(23		)	(15		)
Purchases																8,460			2,456
Sales				(546,388		)							(36,669		)	(839		)
Redemptions and paydowns	(476		)	(63,092		)	(24,395		)				(5		)	(5,612		)	(373		)	11,956
Transfers to Level 2				(69,193		)
Balance at June 30, 2014	$	10,038		$	685,805		$	—		$	6,578		$	28		$	82,256		$	11,461		$	(132	)

	Level 3 Instruments
	Three Months Ended June 30, 2013
(In thousands)	Municipal securities			Trust  preferred – banks and insurance			Trust preferred – REIT			Auction rate		Other asset-backed			Private equity investments			Ag loan svcg and int-only strips			Derivatives and other liabilities
Balance at March 31, 2013	$	17,043		$	1,003,102		$	17,306		$	6,524	$	15,393		$	69,706		$	8,252		$	(5,070	)
Net gains (losses) included in:
Statement of income:
Accretion of purchase discount on securities available-for-sale	—			797			63			—		9
Dividends and other investment income															2,160
Fair value and nonhedge derivative loss																					(5,450		)
Equity securities gains, net															1,340
Fixed income securities gains (losses), net	15			(1,190		)						14
Net impairment losses on investment securities				(4,047		)	(170		)
Other noninterest income																		384
Other noninterest expense																					(94		)
Other comprehensive income	197			52,312			1,300			30		1,972
Purchases															2,882
Sales				(7,015		)									(387		)
Redemptions and paydowns	(3,711		)	(13,666		)						(64		)	(184		)	(298		)	5,496
Balance at June 30, 2013	$	13,544		$	1,030,293		$	18,499		$	6,554	$	17,324		$	75,517		$	8,338		$	(5,118	)

	Level 3 Instruments
	Six Months Ended June 30, 2013
(In thousands)	Municipal securities			Trust  preferred – banks and insurance			Trust preferred – REIT			Auction rate		Other asset-backed			Private equity investments			Ag loan svcg and int-only strips			Derivatives and other liabilities
Balance at December 31, 2012	$	16,551		$	949,271		$	16,403		$	6,515	$	15,160		$	64,223		$	8,334		$	(5,251	)
Net gains (losses) included in:
Statement of income:
Accretion of purchase discount on securities available-for-sale	21			1,612			126			1		14
Dividends and other investment income															5,149
Fair value and nonhedge derivative loss																					(11,008		)
Equity securities gains, net															3,739
Fixed income securities gains, net	36			2,036						—		44
Net impairment losses on investment securities				(13,761		)	(170		)
Other noninterest income																		503
Other noninterest expense																					(165		)
Other comprehensive income	922			130,962			2,140			38		4,623
Purchases															3,841
Sales				(7,015		)									(1,120		)
Redemptions and paydowns	(3,986		)	(32,812		)				—		(2,517		)	(315		)	(499		)	11,306
Balance at June 30, 2013	$	13,544		$	1,030,293		$	18,499		$	6,554	$	17,324		$	75,517		$	8,338		$	(5,118	)

Schedule Of Realized Gains (Losses) Using Level 3 Inputs

(In thousands)	Three Months Ended June 30,					Six Months Ended June 30,
	2014		2013			2014		2013
Dividends and other investment income (loss)	$	—	$	(60	)	$	34	$	(45	)
Fixed income securities gains (losses), net	4,383		(1,161		)	35,297		2,116

Summary of Quantitative Information Relating to the Principal Valuation Techniques and Significant Unobservable Inputs for Level 3 [Table Text Block]

	Level 3 Instruments
	Quantitative information at June 30, 2014
(Dollar amounts in thousands)	Fair value		Principal valuation techniques	Significant unobservable inputs	Range of inputs (% annually)
Asset-backed securities:
Trust preferred – predominantly banks	$	740,261	Discounted cash flow Market comparables	Constant prepayment rate	until 2016 – 5.5% to 26.19%
					2016 to maturity – 3.0%
				Constant default rate	yr 1 – 0.3% to 2.75%
					yrs 2-5 – 0.48% to 0.87%
					yrs 6 to maturity – 0.59% to 0.65%
				Loss given default	100%
				Loss given deferral	8.17% to 100%
				Discount rate (spread over forward LIBOR)	5.1% to 5.7%

	Level 3 Instruments
	Quantitative information at December 31, 2013
(Dollar amounts in thousands)	Fair value		Principal valuation techniques	Significant unobservable inputs	Range of inputs (% annually)
Asset-backed securities:
Trust preferred – predominantly banks	$	921,819	Discounted cash flow Market comparables	Constant prepayment rate	until 2016 – 5.50% to 20.73%
					2016 to maturity – 3.0%
				Constant default rate	yr 1 – 0.30% to 1.94%
					yrs 2-5 – 0.49% to 1.14%
					yrs 6 to maturity – 0.58% to 0.65%
				Loss given default	100%
				Loss given deferral	14.39% to 100%
				Discount rate (spread over forward LIBOR)	5.6% to 7.7%
Trust preferred – predominantly insurance	346,390		Discounted cash flow Market comparables	Constant prepayment rate	until maturity – 5.0%
				Constant default rate	yr 1 – 0.38% to 1.03%
					yrs 2-5 – 0.53% to 0.89%
					yrs 6 to maturity – 0.50% to 0.55%
				Loss given default	100%
				Loss given deferral	2.18% to 30.13%
				Discount rate (spread over forward LIBOR)	3.72% to 6.49%
Trust preferred – individual banks	22,324		Market comparables	Yield	6.6% to 7.8%
				Price	81.25% to 109.6%
Trust preferred – real estate investment trust	22,996		Discounted cash flow Market comparables	Constant prepayment rate	until maturity – 0.0%
				Constant default rate	yr 1 – 4.1% to 10.6%
					yrs 2-3 – 4.6% to 5.5%
					yrs 4-6 – 1.0%
					yrs 7 to maturity – 0.50%
				Loss given default	60% to 100%
				Discount rate (spread over forward LIBOR)	5.5% to 15%
Other (predominantly ABS CDOs)	25,800		Discounted cash flow	Constant default rate	0.01% to 100%
				Loss given default	70% to 92%
				Discount rate (spread over forward LIBOR)	9% to 22%

Schedule Of Assets With Fair Value Changes On Nonrecurring Basis

(In thousands)	Fair value at June 30, 2014								Fair value at December 31, 2013
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
ASSETS
HTM securities adjusted for OTTI	$	—	$	—	$	—	$	—	$	—	$	—	$	8,483	$	8,483
Private equity investments, carried at cost	—		—		547		547		—		—		13,270		13,270
Impaired loans	—		15,610		—		15,610		—		11,765		—		11,765
Other real estate owned	—		10,597		—		10,597		—		24,684		—		24,684
	$	—	$	26,207	$	547	$	26,754	$	—	$	36,449	$	21,753	$	58,202

The previous fair values may not be current as of the dates indicated, but rather as of the date the fair value change occurred, such as a charge for impairment. Accordingly, carrying values may not equal current fair value.

	Gains (losses) from fair value changes
(In thousands)	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
ASSETS
HTM securities adjusted for OTTI	$	—		$	—		$	(27	)	$	(403	)
Private equity investments, carried at cost	(133		)	(609		)	(133		)	(1,429		)
Impaired loans	(104		)	(832		)	(2,282		)	(1,566		)
Other real estate owned	(937		)	(2,156		)	(3,171		)	(6,468		)
	$	(1,174	)	$	(3,597	)	$	(5,613	)	$	(9,866	)

Fair Value, by Balance Sheet Grouping [Table Text Block]

	June 30, 2014
(In thousands)							Gross amounts not offset in the balance sheet
Description	Gross amounts recognized		Gross amounts offset in the balance sheet		Net amounts presented in the balance sheet		Financial instruments			Cash collateral received/pledged			Net amount
Assets:
Federal funds sold and security resell agreements	$	478,535	$	—	$	478,535	$	—		$	—		$	478,535
Derivatives (included in other assets)	57,143		—		57,143		(6,247		)	—			50,896
	$	535,678	$	—	$	535,678	$	(6,247	)	$	—		$	529,431
Liabilities:
Federal funds and other short-term borrowings	$	258,401	$	—	$	258,401	$	—		$	—		$	258,401
Derivatives (included in other liabilities)	56,574		—		56,574		(6,247		)	(32,743		)	17,584
	$	314,975	$	—	$	314,975	$	(6,247	)	$	(32,743	)	$	275,985

	December 31, 2013
(In thousands)							Gross amounts not offset in the balance sheet
Description	Gross amounts recognized		Gross amounts offset in the balance sheet		Net amounts presented in the balance sheet		Financial instruments			Cash collateral received/pledged			Net amount
Assets:
Federal funds sold and security resell agreements	$	282,248	$	—	$	282,248	$	—		$	—		$	282,248
Derivatives (included in other assets)	65,683		—		65,683		(11,650		)	2,210			56,243
	$	347,931	$	—	$	347,931	$	(11,650	)	$	2,210		$	338,491
Liabilities:
Federal funds and other short-term borrowings	$	340,348	$	—	$	340,348	$	—		$	—		$	340,348
Derivatives (included in other liabilities)	68,397		—		68,397		(11,650		)	(26,997		)	29,750
	$	408,745	$	—	$	408,745	$	(11,650	)	$	(26,997	)	$	370,098

	June 30, 2014					December 31, 2013
(In thousands)	Carrying value		Estimated fair value		Level	Carrying value		Estimated fair value		Level
Financial assets:
HTM investment securities	$	615,104	$	643,926	3	$	588,981	$	609,547	3
Loans and leases (including loans held for sale), net of allowance	39,118,830		38,777,966		3	38,468,402		38,088,242		3
Financial liabilities:
Time deposits	2,500,303		2,507,425		2	2,593,038		2,602,955		2
Foreign deposits	252,207		252,323		2	1,980,161		1,979,805		2
Long-term debt (less fair value hedges)	1,930,649		2,072,925		2	2,269,762		2,423,643		2