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Subsequent Events (Details) (Subsequent Event [Member]) | Nov. 30, 2014
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January 2015 through March 2015 [Member] |
Subsequent Event [Line Items] |
Daily Volume (in MMBtu per day) | 15,625
Weighted Average Price (in usd per MMBtu) | 3.96
April 2015 through June 2015 [Member] |
Subsequent Event [Line Items] |
Daily Volume (in MMBtu per day) | 31,250
Weighted Average Price (in usd per MMBtu) | 3.96
July 2015 through September 2015 [Member] |
Subsequent Event [Line Items] |
Daily Volume (in MMBtu per day) | 46,875
Weighted Average Price (in usd per MMBtu) | 3.96
October 2015 through June 2017 [Member] |
Subsequent Event [Line Items] |
Daily Volume (in MMBtu per day) | 62,500
Weighted Average Price (in usd per MMBtu) | 3.96

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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Namespace Prefix: | invest_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeSwapTypeAverageFixedPrice
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration