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Oasis Midstream Partners (Details) - USD ($)			3 Months Ended	9 Months Ended
	Nov. 01, 2019	Feb. 22, 2019	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
2019 Capital Expenditures Arrangement | Oasis Midstream Partners, LP | OMP
Related Party Transaction [Line Items]
Capital contributions / capital expenditures expected to be made		$ 80,000,000.0	$ 13,400,000	$ 66,200,000
Assignment of Midstream Assets in Delaware Basin | Oasis Midstream Partners, LP | OMP | Subsequent Event
Related Party Transaction [Line Items]
Capital contributions / capital expenditures expected to be made	$ 25,000,000.0
Purchase and sale rights expiration period	2 years
Bobcat DevCo | OMS Holdings LLC (“OMS”)
Related Party Transaction [Line Items]
Ownership interest (percent)			65.60%	65.60%	75.00%

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