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Subsequent Events (Details) (Subsequent Event [Member], Swap [Member])
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Jul. 31, 2013
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|---|---|
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Natural Gas Fixed Price Swap, October through December 2013 [Member] | Natural Gas [Member]
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| Derivative [Line Items] | |
| Notional quantity | 10,000 |
| Average fixed price | 4.00 |
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Oil Fixed Price Swap, January through December 2014 [Member] | Oil [Member]
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| Derivative [Line Items] | |
| Notional quantity | 2,000 |
| Average fixed price | 101.65 |
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Natual Gas Fixed Price Swap, January through December 2014 [Member] | Natural Gas [Member]
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|
| Derivative [Line Items] | |
| Notional quantity | 15,000 |
| Average fixed price | 4.01 |
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Natural Gas Fixed Price Swap, January 2015 through March 2016 [Member] | Natural Gas [Member]
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|
| Derivative [Line Items] | |
| Notional quantity | 10,000 |
| Average fixed price | 4.00 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Average fixed price related to the group of price risk swap derivatives. No definition available.
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