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Derivative Instruments (Fair Value Of Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair Value	$ 11,932us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherAssetsMember	$ 10,253us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherAssetsMember
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair Value	$ 11,932us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember	$ 10,253us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember

X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

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