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Derivatives - Summary of Derivative Instruments (Details) - Crude Oil - Subsequent Event ThousandBarrels / d in Thousands | Jul. 31, 2019 ThousandBarrels / d $ / Barrel
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2020 Settlement |
Derivative [Line Items] |
Derivative instruments (mmbls/day) | ThousandBarrels / d | 300
2020 Settlement | Short position |
Derivative [Line Items] |
Ceiling sold price (dollars per barrel) | 74.09
Purchased price (dollars per barrel) | 45.00
2020 Settlement | Long position |
Derivative [Line Items] |
Purchased price (dollars per barrel) | 55.00
2021 Settlement |
Derivative [Line Items] |
Derivative instruments (mmbls/day) | ThousandBarrels / d | 300
2021 Settlement | Short position |
Derivative [Line Items] |
Ceiling sold price (dollars per barrel) | 74.09

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