Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)

			Investment Securities		Derivative Financial
			Available for Sale		Instruments
			($ in Thousands)
Balance December 31, 2011			$	856	$	(200)
	Total net gains included in income:
		Mortgage derivative gains		-		7,847
	Total net gains included in other comprehensive income:
		Unrealized investment securities gains		49		-
	Sales of investment securities			(425)		-
Balance December 31, 2012			$	480	$	7,647
	Total net losses included in income:
		Mortgage derivative loss		-		(5,930)
	Total net losses included in other comprehensive income:
		Unrealized investment securities losses		(70)		-
	Sales of investment securities			(111)		-
Balance December 31, 2013			$	299	$	1,717

Estimated fair values of financial instruments

		December 31, 2013
		Carrying					Fair Value Measurements Using
		Amount		Fair Value			Level 1		Level 2		Level 3
		($ in Thousands)
Financial assets:
Cash and due from banks		$	455,482	$	455,482	$	455,482	$	-	$	-
Interest-bearing deposits in other financial institutions			126,018		126,018		126,018		-		-
Federal funds sold and securities purchased under
	agreements to resell		20,745		20,745		20,745		-		-
Investment securities held to maturity			175,210		169,889		-		169,889		-
Investment securities available for sale			5,250,585		5,250,585		4,240		5,246,046		299
FHLB and Federal Reserve Bank stocks			181,249		181,249		-		181,249		-
Loans held for sale			64,738		64,738		-		64,738		-
Loans, net			15,627,946		15,599,094		-		-		15,599,094
Bank owned life insurance			568,413		568,413		-		568,413		-
Accrued interest receivable			66,308		66,308		66,308		-		-
Interest rate-related instruments			42,980		42,980		-		42,980		-
Foreign currency exchange forwards			748		748		-		748		-
Interest rate lock commitments to originate residential
	mortgage loans held for sale		416		416		-		-		416
Forward commitments to sell residential mortgage loans			1,301		1,301		-		-		1,301
Purchased options (time deposit)			7,328		7,328		-		7,328		-
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing
	demand, and money market deposits	$	15,581,971	$	15,581,971	$	-	$	-	$	15,581,971
Brokered CDs and other time deposits			1,685,196		1,687,198		-		1,687,198		-
Short-term funding			740,926		740,926		-		740,926		-
Long-term funding			3,087,267		3,085,893		-		3,085,893		-
Accrued interest payable			7,994		7,994		7,994		-		-
Interest rate-related instruments			45,815		45,815		-		45,815		-
Foreign currency exchange forwards			655		655		-		655		-
Standby letters of credit⁽¹⁾			3,754		3,754		-		3,754		-
Written options (time deposit)			7,328		7,328		-		7,328		-

		December 31, 2012
		Carrying					Fair Value Measurements Using
		Amount		Fair Value			Level 1		Level 2		Level 3
		($ in Thousands)
Financial assets:
Cash and due from banks		$	563,304	$	563,304	$	563,304	$	-	$	-
Interest-bearing deposits in other financial institutions			147,434		147,434		147,434		-		-
Federal funds sold and securities purchased under
	agreements to resell		27,135		27,135		27,135		-		-
Investment securities held to maturity			39,877		39,679		-		39,679		-
Investment securities available for sale			4,926,758		4,926,758		3,845		4,922,433		480
FHLB and Federal Reserve Bank stocks			166,774		166,774		-		166,774		-
Loans held for sale			261,410		265,914		-		265,914		-
Loans, net			15,113,613		14,873,851		-		-		14,873,851
Bank owned life insurance			556,556		556,556		-		556,556		-
Accrued interest receivable			68,386		68,386		68,386		-		-
Interest rate-related instruments			69,370		69,370		-		69,370		-
Foreign currency exchange forwards			1,341		1,341		-		1,341		-
Interest rate lock commitments to originate residential
	mortgage loans held for sale		7,794		7,794		-		-		7,794
Purchased options (time deposit)			3,620		3,620		-		3,620		-
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing
	demand, and money market deposits	$	14,941,971	$	14,941,971	$	-	$	-	$	14,941,971
Brokered CDs and other time deposits			1,997,894		1,997,894		-		1,997,894		-
Short-term funding			2,326,939		2,326,939		-		2,326,939		-
Long-term funding			1,015,346		1,041,550		-		1,041,550		-
Accrued interest payable			10,208		10,208		10,208		-		-
Interest rate-related instruments			75,131		75,131		-		75,131		-
Foreign currency exchange forwards			1,212		1,212		-		1,212		-
Standby letters of credit ⁽¹⁾			3,811		3,811		-		3,811		-
Forward commitments to sell residential mortgage loans			147		147		-		-		147
Written options (time deposit)			3,620		3,620		-		3,620		-

Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets and Liabilities Measured on Recurring Basis at Fair Value

Assets and Liabilities Measured at Fair Value on a Recurring Basis

				Fair Value Measurements Using
		December 31, 2013		Level 1		Level 2		Level 3
		($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities		$	1,002	$	1,002	$	-	$	-
Obligations of state and political subdivisions (municipal securities)			676,080		-		676,080		-
Residential mortgage-related securities:
	Government-sponsored enterprise (GSE)		3,838,430		-		3,838,430		-
	Private-label		3,014		-		3,014		-
GSE commercial mortgage-related securities			647,477		-		647,477		-
Asset-backed securities			23,059		-		23,059		-
Other securities (debt and equity)			61,523		3,238		57,986		299
	Total investment securities available for sale	$	5,250,585	$	4,240	$	5,246,046	$	299
Derivatives (trading and other assets)			52,773		-		51,056		1,717

Liabilities:
Derivatives (trading and other liabilities)		$	53,798	$	-	$	53,798	$	-

				Fair Value Measurements Using
		December 31, 2012			Level 1	Level 2		Level 3
		($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities		$	1,004	$	1,004	$	-	$	-
Obligations of state and political subdivisions (municipal securities)			801,188		-		801,188		-
Residential mortgage-related securities:
	GSE		3,798,155		-		3,798,155		-
	Private-label		6,149		-		6,149		-
GSE commercial mortgage-related securities			228,166		-		228,166		-
Other securities (debt and equity)			92,096		2,841		88,775		480
	Total investment securities available for sale	$	4,926,758	$	3,845	$	4,922,433	$	480
Derivatives (trading and other assets)			82,125		-		74,331		7,794

Liabilities:
Derivatives (trading and other liabilities)		$	80,110	$	-	$	79,963	$	147

Fair Value, Measurements, Nonrecurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets and Liabilities Measured on Nonrecurring Basis at Fair Value

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

			Fair Value Measurements Using
	December 31, 2013		Level 1		Level 2		Level 3
Assets:	($ in Thousands)
Loans held for sale	$	64,738	$	-	$	64,738	$	-
Impaired loans ⁽¹⁾		88,049		-		-		88,049
Mortgage servicing rights		74,444		-		-		74,444

			Fair Value Measurements Using
	December 31, 2012		Level 1		Level 2		Level 3
Assets:	($ in Thousands)
Loans held for sale	$	261,410	$	-	$	261,410	$	-
Impaired loans ⁽¹⁾		115,741		-		-		115,741
Mortgage servicing rights		45,949		-		-		45,949

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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