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Derivative Instruments (Change In Fair Value Of Derivative Instruments) (Details) - Other Income [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Not Designated as Hedging Instrument [Member] | Derivative Assets [Member]
Derivatives, Fair Value [Line Items]
Change in Fair Value	$ (5,310)	$ 2,552	$ (2,428)	$ 4,606
Not Designated as Hedging Instrument [Member] | Derivative Liabilities [Member]
Derivatives, Fair Value [Line Items]
Change in Fair Value	5,310	(2,552)	2,428	(4,606)
Designated as Hedging Instrument [Member] | Derivative Assets [Member]
Derivatives, Fair Value [Line Items]
Change in Fair Value	(78)	0	(12)	0
Designated as Hedging Instrument [Member] | Derivative Liabilities [Member]
Derivatives, Fair Value [Line Items]
Change in Fair Value	$ (7)	$ 0	$ 2	$ 0

X

- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 25



-Section 50



-Paragraph 1



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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