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Derivative Instruments and Hedging Activities - Outstanding Commodity Derivatives (Details) MMBbls in Millions, Bcf in Millions | 9 Months Ended
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Sep. 30, 2017 $ / MMBbls $ / bbl $ / Mcf $ / Bcf MMBbls Bcf
Natural Gas Swap With Contract Period of October 2017 to December 2017 |
Derivative [Line Items] |
Volume (in Bcf for gas and mmbbls for oil) | Bcf | 8.9
Swaps Weighted Average (in usd per Mcf or usd per bbl) | 3.12
Natural Gas Swap With Contract Period of October 2017 to December 2017 |
Derivative [Line Items] |
Volume (in Bcf for gas and mmbbls for oil) | Bcf | 4.5
Swaps Weighted Average (in usd per Mcf or usd per bbl) | 3.46
Natural Gas Collar With Contract Period of October 2017 to December 2017 |
Derivative [Line Items] |
Volume (in Bcf for gas and mmbbls for oil) | Bcf | 8.9
Natural Gas Collar With Contract Period of October 2017 to December 2017 | Minimum |
Derivative [Line Items] |
Collar Ceiling Price (in usd per Mcf or usd per bbl) | $ / Bcf | 3.42
Natural Gas Collar With Contract Period of October 2017 to December 2017 | Maximum |
Derivative [Line Items] |
Collar Ceiling Price (in usd per Mcf or usd per bbl) | $ / Bcf | 3.45
Natural Gas Collar With Contract Period of October 2017 to December 2017 | Weighted Average |
Derivative [Line Items] |
Collar Floor Price (in usd per Mcf or usd per bbl) | 3.09
Collar Ceiling Price (in usd per Mcf or usd per bbl) | 3.43
Natural Gas Basis Swap With Contract Period of January 2018 to December 2019 |
Derivative [Line Items] |
Volume (in Bcf for gas and mmbbls for oil) | Bcf | 21.3
Swaps Weighted Average (in usd per Mcf or usd per bbl) | 0.42
Crude Oil Collar With Contract Period Of October 2017 to December 2017 |
Derivative [Line Items] |
Volume (in Bcf for gas and mmbbls for oil) | MMBbls | 0.5
Crude Oil Collar With Contract Period Of October 2017 to December 2017 | Minimum |
Derivative [Line Items] |
Collar Ceiling Price (in usd per Mcf or usd per bbl) | $ / MMBbls | 56.25
Crude Oil Collar With Contract Period Of October 2017 to December 2017 | Maximum |
Derivative [Line Items] |
Collar Ceiling Price (in usd per Mcf or usd per bbl) | $ / MMBbls | 56.50
Crude Oil Collar With Contract Period Of October 2017 to December 2017 | Weighted Average |
Derivative [Line Items] |
Collar Floor Price (in usd per Mcf or usd per bbl) | $ / bbl | 50.00
Collar Ceiling Price (in usd per Mcf or usd per bbl) | $ / bbl | 56.39

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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 Nominal volume used to calculate payments on a derivative instrument. + 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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