XML 112 R86.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Subsequent Events Subsequent Events (Details) | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2018 MMBTU $ / bbl bbl | Dec. 31, 2017 MMBTU bbl
Crude oil | 2018 Swaps |  |
Subsequent Event [Line Items] |  |
Total notional amount of oil barrels (in bbl) |  | 13,675,000
Crude oil | 2018 Swaps | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Total notional amount of oil barrels (in bbl) | 756,000 |
Average floor price (in dollars per barrel / dollars per btu) | $ / bbl | 56.16 |
Crude oil | 2020 Swaps |  |
Subsequent Event [Line Items] |  |
Total notional amount of oil barrels (in bbl) |  | 279,000
Crude oil | 2020 Swaps | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Total notional amount of oil barrels (in bbl) | 217,000 |
Crude oil | 2019 Swaps |  |
Subsequent Event [Line Items] |  |
Total notional amount of oil barrels (in bbl) |  | 4,091,000
Crude oil | 2019 Swaps | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Total notional amount of oil barrels (in bbl) | 2,400,000 |
Natural gas | 2018 Swaps |  |
Subsequent Event [Line Items] |  |
Total notional amount of natural gas (in MMBtu) | MMBTU |  | 7,665,000
Natural gas | 2018 Swaps | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Average floor price (in dollars per barrel / dollars per btu) | $ / bbl | 3.03 |
Total notional amount of natural gas (in MMBtu) | MMBTU | 668,000 |

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- Definition The average floor rate on a group of price risk derivatives such as floors or collars. 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 Nominal energy measure used to calculate payments on a derivative instrument. + 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 Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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