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Derivative Instruments - Narrative (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2016 USD ($) MMBTU / d $ / MMBTU | Dec. 31, 2014 USD ($)
Derivative [Line Items] |  |  |
Production delivered under fixed price swaps, percentage | 77.00% |  |
January 2017 - December 2017 |  |  |
Derivative [Line Items] |  |  |
Notional quantity (MMBtu/day) | MMBTU / d |  | 30,000 |
Weighted average price of derivative swap (usd per share) | $ / MMBTU |  | 3.36 |
January 2017 - December 2017 | Short |  |  |
Derivative [Line Items] |  |  |
Notional quantity (MMBtu/day) | MMBTU / d |  | 30,000 |
Weighted average price of derivative swap (usd per share) | $ / MMBTU |  | 3.36 |
Swap |  |  |
Derivative [Line Items] |  |  |
Cash flow hedges | $ 0 | $ 0 | $ 0
Swaption |  |  |
Derivative [Line Items] |  |  |
Cash flow hedges | 0 | 0 | 0
Basis swap |  |  |
Derivative [Line Items] |  |  |
Cash flow hedges | $ 0 | $ 0 | $ 0

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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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- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). + 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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