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Derivative Financial Instruments (Details) |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 MMBTU $ / EnergyContent $ / Barrels bbl | Jul. 27, 2016 MMBTU $ / EnergyContent $ / Barrels bbl | Mar. 31, 2016 MMBTU $ / EnergyContent
NYMEX Oil Swap Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 1,840,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 71.80 |  |
NYMEX Oil Swap Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 1,399,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 67.73 |  |
NYMEX Oil Swap Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 3,053,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 45.61 |  |
NYMEX Oil Swap Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 6,292,000 |  |
NYMEX Oil Collar Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 672,000 |  |
Derivative, Floor Price | $ / Barrels | 40.00 |  |
Derivative, Cap Price | $ / Barrels | 51.57 |  |
NYMEX Oil Collar Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 881,000 |  |
Derivative, Floor Price | $ / Barrels | 40.00 |  |
Derivative, Cap Price | $ / Barrels | 51.52 |  |
NYMEX Oil Collar Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 1,018,000 |  |
Derivative, Floor Price | $ / Barrels | 45.00 |  |
Derivative, Cap Price | $ / Barrels | 51.02 |  |
NYMEX Oil Collar Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 2,571,000 |  |
Gas Swaps Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Purchased Volumes | MMBTU | 0 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU | 25,724,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 3.13 |  |
Derivative, Swap Type, Average Fixed Price, Purchased Volumes | $ / EnergyContent | 0.00 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Net of Purchased Volumes | MMBTU | 25,724,000 |  |
Gas Swaps Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Purchased Volumes | MMBTU | 0 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU | 26,700,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 3.34 |  |
Derivative, Swap Type, Average Fixed Price, Purchased Volumes | $ / EnergyContent | 0.00 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Net of Purchased Volumes | MMBTU | 26,700,000 |  |
Gas Swaps Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Purchased Volumes | MMBTU | 0 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Sold Volumes | MMBTU |  |  | 38,600,000
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU | 88,894,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 4.04 |  | 4.43
Derivative, Swap Type, Average Fixed Price, Purchased Volumes | $ / EnergyContent | 0.00 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Net of Purchased Volumes | MMBTU | 88,894,000 |  |
Gas Swaps Contract 2018 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Purchased Volumes | MMBTU | (30,606,000) |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU | 53,048,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 3.75 |  |
Derivative, Swap Type, Average Fixed Price, Purchased Volumes | $ / EnergyContent | 4.27 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Net of Purchased Volumes | MMBTU | 22,442,000 |  |
Gas Swaps Contract 2019 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Purchased Volumes | MMBTU | (24,415,000) |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU | 24,415,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 4.34 |  |
Derivative, Swap Type, Average Fixed Price, Purchased Volumes | $ / EnergyContent | 4.34 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Net of Purchased Volumes | MMBTU | 0 |  |
Gas Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Purchased Volumes | MMBTU | (55,021,000) |  | (55,021,000)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU | 218,781,000 |  |
Derivative, Nonmonetary Notional Amount, Energy Measure, Net of Purchased Volumes | MMBTU | 163,760,000 |  |
IF El Paso Permian [Member] |  |  |
Derivative Financial Instruments |  |  |
Index percent of natural gas fixed swaps | 2.00% |  |
IF HSC [Member] |  |  |
Derivative Financial Instruments |  |  |
Index percent of natural gas fixed swaps | 97.00% |  |
IF NNG Ventura [Member] |  |  |
Derivative Financial Instruments |  |  |
Index percent of natural gas fixed swaps | 1.00% |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 751,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 8.70 |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 687,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 8.71 |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 3,062,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 8.92 |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contract 2018 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 2,435,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 10.18 |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contract 2019 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 1,200,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 10.92 |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contract 2020 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 539,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 11.13 |  |
OPIS Ethane Purity Mont Belvieu [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 8,674,000 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 863,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 19.03 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 792,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 18.53 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 721,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 20.01 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2018 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2019 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2020 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 2,376,000 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 248,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 22.90 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 226,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 22.91 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2018 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2019 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2020 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Normal Butane Mont Belvieu Non-TET [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 474,000 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Third Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 200,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 23.24 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Fourth Quarter 2016 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 182,000 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 23.25 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2017 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2018 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2019 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contract 2020 [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 0 |  |
Derivative, Swap Type, Average Fixed Price | $ / Barrels | 0.00 |  |
OPIS Isobutane Mont Belvieu Non-TET [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume | 382,000 |  |
Subsequent Event [Member] | NYMEX Oil Collar Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume |  | 1,400,000 |
Derivative, Floor Price | $ / Barrels |  | 45.00 |
Derivative, Cap Price | $ / Barrels |  | 56.25 |
Subsequent Event [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Volume |  | 1,400,000 |
Subsequent Event [Member] | Gas Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU |  | 15,600,000 |
Minimum [Member] | Subsequent Event [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 21.32 |
Minimum [Member] | Subsequent Event [Member] | Gas Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.90 |
Maximum [Member] | Subsequent Event [Member] | NGL Swaps Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 21.79 |
Maximum [Member] | Subsequent Event [Member] | Gas Contracts [Member] |  |  |
Derivative Financial Instruments |  |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 3.24 |

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