Commitments And Contingencies (Future Minimum Transportation Fees) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Year 1 Transportation Agreements	$ 353,167
Year 2 Transportation Agreements	404,493
Year 3 Transportation Agreements	418,665
Year 4 Transportation Agreements	282,077
Year 5 Transportation Agreements	245,250
Thereafter	$ 773,868
Oil and Gas Delivery Commitments and Contracts, Daily Production	50,000

Transportation Fees Future Minimum Payments Due Current

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Transportation Fees Future Minimum Payments Due In Five Years

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Transportation Fees Future Minimum Payments Due In Four Years

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Transportation Fees Future Minimum Payments Due In More Than Five Years

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Transportation Fees Future Minimum Payments Due In Three Years

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Transportation Fees Future Minimum Payments Due In Two Years

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Amount of daily production of the applicable energy source.

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

-Publisher SEC

-Name Industry Guide

-Number 2

-Paragraph 8

-Subparagraph A

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