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Derivative Instruments Derivative Instruments (Details 3) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Collateral Already Posted, Aggregate Fair Value	$ 1,800,000	$ 0
Derviative Instrument by Counterparty, Gross Amount Recognized on Balance Sheet [Member]
Derivative [Line Items]
Derivative Assets	24,400,000	11,800,000
Derivative Liabilities	1,600,000	300,000
Derviative Instrument by Counterparty, Gross Amount Not Offset on Balance Sheet [Member] [Member]
Derivative [Line Items]
Collateral Already Posted, Aggregate Fair Value	1,000,000	0
Derivative Assets	(600,000)	0
Derivative Liabilities	(1,600,000)	0
Derviative Instrument by Counterparty, Net Amount [Member]
Derivative [Line Items]
Derivative Assets	23,800,000	11,800,000
Derivative Liabilities	$ 0	$ 300,000

Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

+ References+ Details