Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts and Estimated Fair Values of Interest Rate Derivative Contracts Outstanding

The notional amounts and estimated fair values of interest rate derivative contracts are presented in the following table. We obtain dealer quotations to value our interest rate derivative contracts designated as hedges of cash flows, while the fair values of other interest rate derivative contracts are estimated utilizing internal valuation models with observable market data inputs.

	June 30, 2015					December 31, 2014
	Notional Amount		Estimated Fair Value			Notional Amount		Estimated Fair Value
Derivatives designated as hedges of fair value:
Financial institution counterparties:
Loan/lease interest rate swaps – assets	$	52,591	$	568		$	31,614	$	469
Loan/lease interest rate swaps – liabilities	33,240		(2,762		)	37,672		(3,179		)
Non-hedging interest rate derivatives:
Financial institution counterparties:
Loan/lease interest rate swaps – assets	202,633		1,293			69,842		719
Loan/lease interest rate swaps – liabilities	639,808		(34,024		)	765,979		(38,952		)
Loan/lease interest rate caps – assets	87,339		1,143			73,058		1,003
Customer counterparties:
Loan/lease interest rate swaps – assets	639,808		33,985			765,979		38,910
Loan/lease interest rate swaps – liabilities	202,633		(1,293		)	69,842		(719		)
Loan/lease interest rate caps – liabilities	87,339		(1,143		)	73,058		(1,003		)

Schedule of Weighted-Average Rates Paid and Received for Interest Rate Swaps Outstanding

The weighted-average rates paid and received for interest rate swaps outstanding at June 30, 2015 were as follows:

	Weighted-Average
	Interest Rate Paid		Interest Rate Received
Interest rate swaps:
Fair value hedge loan/lease interest rate swaps	2.35	%	0.18	%
Non-hedging interest rate swaps – financial institution counterparties	4.01	%	1.77	%
Non-hedging interest rate swaps – customer counterparties	1.77	%	4.01	%

Schedule of Notional Amounts and Estimated Fair Values of Commodity Derivative Positions

The notional amounts and estimated fair values of non-hedging commodity swap and option derivative positions outstanding are presented in the following table. We obtain dealer quotations and use internal valuation models with observable market data inputs to value our commodity derivative positions.

		June 30, 2015				December 31, 2014
	Notional Units	Notional Amount	Estimated Fair Value			Notional Amount	Estimated Fair Value
Financial institution counterparties:
Oil – assets	Barrels	581	$	6,855		470	$	14,357
Oil – liabilities	Barrels	728	(1,652		)	197	(1,670		)
Natural gas – assets	MMBTUs	7,892	7,141			12,235	12,707
Natural gas – liabilities	MMBTUs	7,992	(1,886		)	16,755	(4,095		)
Customer counterparties:
Oil – assets	Barrels	728	1,673			197	1,670
Oil – liabilities	Barrels	581	(6,847		)	470	(14,318		)
Natural gas – assets	MMBTUs	7,992	1,886			16,755	4,095
Natural gas – liabilities	MMBTUs	7,892	(7,081		)	12,235	(12,646		)

Notional Amounts and Fair Values of Open Foreign Currency Forward Contracts

The notional amounts and fair values of open foreign currency forward contracts were as follows:

		June 30, 2015				December 31, 2014
	Notional Currency	Notional Amount	Estimated Fair Value			Notional Amount	Estimated Fair Value
Financial institution counterparties:
Forward contracts – assets	EUR	840	$	2		936	$	7
Forward contracts – assets	CAD	2,425	26			24,724	659
Forward contracts - assets	GBP	552	1			—	—
Forward contracts – liabilities	EUR	723	(7		)	—	—
Forward contracts – liabilities	GBP	—	—			544	(2		)
Customer counterparties:
Forward contracts - assets	EUR	728	11			—	—
Forward contracts – liabilities	CAD	2,420	(22		)	24,680	(615		)

Schedule of Amounts Related to Interest Rate Derivatives Designated as Hedges of Fair Value

Amounts included in the consolidated statements of income related to interest rate derivatives designated as hedges of fair value were as follows:

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2015			2014			2015			2014
Commercial loan/lease interest rate swaps:
Amount of gain (loss) included in interest income on loans	$	(463	)	$	(516	)	$	(888	)	$	(1,055	)
Amount of (gain) loss included in other non-interest expense	6			(9		)	6			—

Schedule of Amounts Related to Interest Rate Derivatives Included in Income Designated as Hedges of Cash Flows

Amounts included in the consolidated statements of income and in other comprehensive income for the period related to interest rate derivatives designated as hedges of cash flows were as follows:

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2015		2014		2015		2014
Interest rate swaps/caps/floors on variable-rate loans:
Amount reclassified from accumulated other comprehensive income to interest income on loans	$	—	$	9,345	$	—	$	18,690

Schedule of Amounts Related to Non-Hedging Interest Rate and Commodity Derivatives

Amounts included in the consolidated statements of income related to non-hedging interest rate, commodity and foreign currency derivative instruments are presented in the table below.

	Three Months Ended   June 30,					Six Months Ended   June 30,
	2015			2014		2015			2014
Non-hedging interest rate derivatives:
Other non-interest income	$	240		$	644	$	1,562		$	865
Other non-interest expense	(5		)	2		(3		)	2
Non-hedging commodity derivatives:
Other non-interest income	38			11		66			93
Non-hedging foreign currency derivatives:
Other non-interest income	66			38		111			75