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Derivatives - Oil Price Swaps (Details) - Oil Price Swaps, October 2019 - December 2019
9 Months Ended
Sep. 30, 2019
$ / bbl
MBbls
Derivative [Line Items]  
Notional (MBbls) | MBbls 184
Weighted Average Fixed Price (in dollars per unit) | $ / bbl 60.04