Derivatives - Open Derivative Positions (Details) - OIL - WTI Cushing - Collars bbl in Thousands	12 Months Ended
	Dec. 31, 2020 $ / bbl bbl
Jan. - Mar.
Derivative [Line Items]
Volume (Bbls) | bbl	12
Floor price (per Bbl)	30.83
Ceiling price (per Bbl)	43.96
Apr. - Dec.
Derivative [Line Items]
Volume (Bbls) | bbl	10
Floor price (per Bbl)	30.00
Ceiling price (per Bbl)	43.05