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Derivative Instruments and Hedging Activities - Outstanding Commodity Derivatives (Details) | 9 Months Ended
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Sep. 30, 2015 $ / Mcf MMcf
Natural Gas Collars with contract period of October 2015 - December 2015 |
Derivative [Line Items] |
Volume (in mmcf) | MMcf | 17,900
Natural Gas Collars with contract period of October 2015 - December 2015 | Minimum |
Derivative [Line Items] |
Collar Floor Price (in usd per Mcf) | 3.86
Collar Ceiling Price (in usd per Mcf) | 4.27
Natural Gas Collars with contract period of October 2015 - December 2015 | Maximum |
Derivative [Line Items] |
Collar Floor Price (in usd per Mcf) | 3.91
Collar Ceiling Price (in usd per Mcf) | 4.43
Natural Gas Collars with contract period of October 2015 - December 2015 | Weighted Average |
Derivative [Line Items] |
Collar Floor Price (in usd per Mcf) | 3.87
Collar Ceiling Price (in usd per Mcf) | 4.35
Natural Gas Swaps with contract period of October 2015 - December 2015 |
Derivative [Line Items] |
Volume (in mmcf) | MMcf | 17,900
Natural Gas Swaps with contract period of October 2015 - December 2015 | Weighted Average |
Derivative [Line Items] |
Swaps Weighted Average (in usd per Mcf) | 3.92
Natural Gas Swaps with contract ending October 2015 |
Derivative [Line Items] |
Volume (in mmcf) | MMcf | 4,500
Natural Gas Swaps with contract ending October 2015 | Weighted Average |
Derivative [Line Items] |
Swaps Weighted Average (in usd per Mcf) | 3.36

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- Definition The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
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- Definition Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + 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. + Details
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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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