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v3.19.3

Derivatives - Narrative (Details) bbl in Thousands | 9 Months Ended
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Sep. 30, 2019 $ / bbl bbl
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 864
Average fixed interest rate | 3.91%
5.00% Convertible Senior Notes due 2021 |
Credit Derivatives [Line Items] |
Debt instrument, interest rate | 5.00%
5.00% Convertible Senior Notes due 2021 | Convertible Debt |
Credit Derivatives [Line Items] |
Debt instrument, interest rate | 5.00%
Future |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 864
Swap |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 0
Option Collars |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 50
Long |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 2,118
Long | Future |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 1,980
Long | Swap |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 138
Short |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 1,254
Short | Future |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 1,116
Short | Swap |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 138
Minimum | Option Collars |
Credit Derivatives [Line Items] |
Derivative, average price risk option strike price | $ / bbl | 48.40
Maximum | Option Collars |
Credit Derivatives [Line Items] |
Derivative, average price risk option strike price | $ / bbl | 65.00

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