Derivatives - Narrative (Details)	1 Months Ended	6 Months Ended
	Jul. 31, 2020 $ / bbl bbl	Jun. 30, 2020
Derivative [Line Items]
Target period to cover operating expenses and fixed charges (up to)		2 years
Target period for fixing the price natural gas purchases used in steam operations (up to)		2 years
Subsequent Event | Fixed Price Oil Swaps (Brent)
Derivative [Line Items]
Hedged volume (Bbls) | bbl	4,663
Weighted-average price ($/Bbl) | $ / bbl	46