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v3.20.1

Risk Management Activities (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 USD ($) MMBTU $ / bbl $ / MMBTU bbl | Dec. 31, 2019 USD ($)
Derivatives, Fair Value [Line Items] |  |
Document Period End Date | Mar. 31, 2020 |
Assets from Price Risk Management Activities | $ 932,928,000 | $ 1,299,000
Liabilities from Price Risk Management Activities | 0 | 20,194,000
Derivative Collateral [Abstract] |  |
Collateral Had on Derivative | 0 | 0
Collateral Held on Derivative | 762,000,000 | 0
Assets From Price Risk Management Activities |  |
Derivatives, Fair Value [Line Items] |  |
Assets from Price Risk Management Activities | 941,000,000 | 3,000,000
Liabilities from Price Risk Management Activities | 8,000,000 | 2,000,000
Assets From Price Risk Management Activities | Price Risk Derivative [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Assets from Price Risk Management Activities | 932,928,000 | 1,299,000
Liabilities From Price Risk Management Activities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Assets from Price Risk Management Activities |  | 3,000,000
Liabilities from Price Risk Management Activities |  | 23,000,000
Liabilities From Price Risk Management Activities [Member] | Price Risk Derivative [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liabilities from Price Risk Management Activities | $ 0 | $ 20,194,000
Crude Oil | Derivative Contracts - May [Member] | Houston Differential Basis Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 10,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 1.55 |
Crude Oil | Derivative Contracts - May [Member] | ICE Brent Differential Basis Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 10,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 4.92 |
Crude Oil | Derivative Contracts - February through April (closed) [Member] | Roll Differential Swap |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 10,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 0.70 |
Crude Oil | Derivative Contracts - April through June [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 265,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 51.36 |
Crude Oil | Derivative Contracts - May [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 200,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 59.33 |
Crude Oil | Derivative Contracts - July [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 207,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 44.94 |
Crude Oil | Derivative Contracts - August through September [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 107,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 58.94 |
Crude Oil | Derivative Contracts - May through December [Member] | Roll Differential Swap |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 10,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 0.70 |
Natural Gas Liquids | Derivative Contracts - January through February [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 4,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 21.34 |
Natural Gas Liquids | Derivative Contracts - March (closed) [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 25,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 17.92 |
Natural Gas Liquids | Derivative Contracts - April through December [Member] | Price Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 25,000 |
Derivative, Swap Type, Average Fixed Price | $ / bbl | 17.92 |
Natural Gas | Derivative Contracts - January through December (closed) [Member] | HSC Differential Basis Swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Swap Type, Average Fixed Price | $ / MMBTU | 0.05 |
Volume (MMBtud) | MMBTU | 60,000 |
Natural Gas | Derivative Contracts - January through March (closed) [Member] | HSC Differential Basis Swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Swap Type, Average Fixed Price | $ / MMBTU | 0.05 |
Volume (MMBtud) | MMBTU | 60,000 |
Cash Paid For Early Termination Of Contracts [Line Items] | $ 400,000 |
Natural Gas | Derivative Contracts - May [Member] | Waha Differential Basis Swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Swap Type, Average Fixed Price | $ / MMBTU | 1.40 |
Volume (MMBtud) | MMBTU | 50,000 |
Natural Gas | Derivative Contracts - May [Member] | Rockies Differential Basis Swap |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Swap Type, Average Fixed Price | $ / MMBTU | 0.55 |
Volume (MMBtud) | MMBTU | 30,000 |
Natural Gas | Derivative Contracts - April through June [Member] | Collars |  |
Derivatives, Fair Value [Line Items] |  |
Volume (MMBtud) | MMBTU | 250,000 |
Derivative, Cap Price | $ / MMBTU | 2.50 |
Derivative, Average Floor Price | $ / MMBTU | 2.00 |
Cash Received For Early Termination Of Contracts [Line Items] | $ 7,800,000 |
Natural Gas | Derivative Contracts - April through December [Member] | Waha Differential Basis Swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Swap Type, Average Fixed Price | $ / MMBTU | 1.40 |
Volume (MMBtud) | MMBTU | 50,000 |
Natural Gas | Derivative Contracts - April through December [Member] | Rockies Differential Basis Swap |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Swap Type, Average Fixed Price | $ / MMBTU | 0.55 |
Volume (MMBtud) | MMBTU | 30,000 |
Natural Gas | Derivative Contracts - August through October [Member] | Collars |  |
Derivatives, Fair Value [Line Items] |  |
Volume (MMBtud) | MMBTU | 250,000 |
Derivative, Cap Price | $ / MMBTU | 2.50 |
Derivative, Average Floor Price | $ / MMBTU | 2.00 |

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