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Derivatives - Derivative Instruments (Details) - 2021 Settlement | Jun. 30, 2021 MMBTU MMBbls $ / Barrel
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Crude Oil |
Derivative [Line Items] |
Derivative instrument (MMbbl and MMbtu) | MMBbls | 64.4
Crude Oil | Short position |
Derivative [Line Items] |
Ceiling sold price (dollars per barrel) | 74.16
Natural Gas |
Derivative [Line Items] |
Derivative instrument (MMbbl and MMbtu) | MMBTU | 96.4
Natural Gas | Short position |
Derivative [Line Items] |
Ceiling sold price (dollars per barrel) | 3.61
Natural Gas | Long position |
Derivative [Line Items] |
Purchase price (dollars per barrel) | 2.50

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