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Derivative Financial Instruments Offsetting of Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Offsetting of Derivative Assets and Liabilities [Abstract]
Derivative Asset, Fair Value, Gross Asset	$ 494,829	$ 592,208
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	(4,919)	(70)
Derivative Asset, Fair Value, Amount Offset Against Collateral	489,910	592,138
Derivative Liability, Fair Value, Gross Liability	(4,919)	(70)
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	4,919	70
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 0	$ 0

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- Definition

Offsetting of Derivative Assets and Liabilities [Abstract]

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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-Publisher FASB



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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



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