Derivatives and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2011

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Notional values or contractual amounts and fair value of the Corporation's derivatives designated in hedge relationships

	Asset Derivatives								Liability Derivatives
	December 31, 2011				December 31, 2010				December 31, 2011				December 31, 2010
	Notional/ Contract Amount		Fair Value (a)		Notional/ Contract Amount		Fair Value (a)		Notional/ Contract Amount		Fair Value (b)		Notional/ Contract Amount		Fair Value (b)
Interest rate swaps:
Fair value hedges	$	819	$	—	$	6,920	$	—	$	234,330	$	25,889	$	303,933	$	28,550
(a) Included in Other Assets on the Consolidated Balance Sheet
(b) Included in Other Liabilities on the Consolidated Balance Sheet

Notional values or contractual amounts and fair value of the Corporation's derivatives not designated in hedge

As of December 31, 2011 and 2010, the notional values or contractual amounts and fair value of the Corporation’s derivatives not designated in hedge relationships were as follows:

	Asset Derivatives									Liability Derivatives
	December 31, 2011					December 31, 2010				December 31, 2011				December 31, 2010
	Notional/ Contract Amount		Fair Value(a)			Notional/ Contract Amount		Fair Value(a)		Notional/ Contract Amount		Fair Value(b)		Notional/ Contract Amount		Fair Value(b)
Interest rate swaps	$	976,823	$	58,875		$	774,623	$	44,270	$	976,823	$	58,875	$	774,623	$	44,270
Mortgage loan commitments	191,514		4,959			118,119		1,384		—		—		—		—
Forward sales contracts	159,377		(1,798		)	113,426		2,106		—		—		—		—
Foreign Exchange	332		20			3,733		4		336		18		3,733		4
Credit contracts	—		—			—		—		17,951		—		44,983		—
Other	—		—			—		—		21,094		1,324		14,622		—
Total	$	1,328,046	$	62,056		$	1,009,901	$	47,764	$	1,016,204	$	60,217	$	837,961	$	44,274
(a) Included in Other Assets on the Consolidated Balance Sheet
(b) Included in Other Liabilities on the Consolidated Balance Sheet

Gains and losses recognized in income on non-designated hedging instruments

Gains and losses recognized in income on non-designated hedging instruments for the years ended December 31, 2011, 2010 and 2009 are as follows:

Derivatives not designated as hedging instruments	Location of Gain/(Loss) Recognized in Income on Derivative	Amount of Gain / (Loss) Recognized Income on Derivative in Income on Derivatives
		Year Ended December 31,
		2011			2010			2009
Interest rate swaps	Other operating expense	$	—		$	—		$	(3,877	)
Mortgage loan commitments	Other operating income	3,576			987			(195		)
Forward sales contracts	Other operating income	(3,904		)	1,222			1,401
TBA Securities	Other operating income	—			—			(4,451		)
Credit contracts	Other operating income	9			—			—
Other	Other operating expense	(1,324		)	(678		)	(600		)
Total		$	(1,643	)	$	1,531		$	(7,722	)