Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2012

Derivative Financial Instruments [Abstract]

Schedule Of Notional Amounts And Estimated Fair Values Of Interest Rate Derivative Contracts Outstanding

	March 31, 2012					December 31, 2011
	Notional Amount		Estimated Fair Value			Notional Amount		Estimated Fair Value
Interest rate derivatives designated as hedges of fair value:
Commercial loan/lease interest rate swaps	$	67,517	$	(7,736	)	$	71,181	$	(8,376	)
Interest rate derivatives designated as hedges of cash flows:
Interest rate swap on junior subordinated deferrable interest debentures		120,000		(7,205	)		120,000		(7,807	)
Non-hedging interest rate derivatives:
Commercial loan/lease interest rate swaps		637,356		57,105			613,883		61,137
Commercial loan/lease interest rate swaps		637,356		(57,314	)		613,883		(61,393	)
Commercial loan/lease interest rate caps		20,000		28			20,000		50
Commercial loan/lease interest rate caps		20,000		(28	)		20,000		(50	)

Schedule Of Weighted-Average Rates Paid And Received For Interest Rate Swaps Outstanding

	Weighted-Average
	Interest Rate Paid			Interest Rate Received
Interest rate swaps:
Fair value hedge commercial loan/lease interest rate swaps		4.30	%		0.24	%
Cash flow hedge interest rate swaps on junior subordinated deferrable interest debentures		5.47			1.86
Non-hedging interest rate swaps		1.81			4.89
Non-hedging interest rate swaps		4.89			1.81

Schedule Of Notional Amounts And Estimated Fair Values Of Commodity Derivative Positions

			March 31, 2012					December 31, 2011
	Notional Units		Notional Amount		Estimated Fair Value			Notional Amount		Estimated Fair Value
Non-hedging commodity swaps:
Oil		Barrels		521	$	2,505			459	$	1,068
Oil		Barrels		521		(2,387	)		459		(963	)
Natural gas		MMBTUs		990		2,321			1,905		3,540
Natural gas		MMBTUs		990		(2,289	)		1,905		(3,480	)
Non-hedging commodity options:
Oil		Barrels		2,610		12,327			2,920		18,206
Oil		Barrels		2,610		(12,327	)		2,920		(18,206	)
Natural gas		MMBTUs		600		581			480		490
Natural gas		MMBTUs		600		(581	)		480		(490	)

Schedule Of Amounts Related To Interest Rate Derivatives Designated As Hedges Of Fair Value

	Three Months Ended March  31,
	2012			2011
Commercial loan/lease interest rate swaps:
Amount of gain (loss) included in interest income on loans	$	(667	)	$	(1,005	)
Amount of (gain) loss included in other non-interest expense		(12	)		(9	)

Schedule Of Amounts Related To Interest Rate Derivatives Included In Income Designated As Hedges Of Cash Flows

	Three Months Ended March 31,
	2012			2011
Interest rate swaps on variable-rate loans:
Amount reclassified from accumulated other comprehensive income to interest income on loans	$	9,345		$	9,345
Interest rate swaps on junior subordinated deferrable interest debentures:
Amount reclassified from accumulated other comprehensive income to interest expense on junior subordinated deferrable interest debentures		1,033			1,086
Amount of gain (loss) recognized in other comprehensive income		(427	)		65

Schedule Of Amounts Related To Non-Hedging Interest Rate And Commodity Derivatives

	Three Months Ended March 31,
	2012			2011
Non-hedging interest rate derivatives:
Other non-interest income	$	782		$	274
Other non-interest expense		(47	)		(39	)
Non-hedging commodity derivatives:
Other non-interest income		37			383