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Oasis Midstream Partners LP (Details) - USD ($)		3 Months Ended
	Feb. 22, 2019	Mar. 31, 2019	Dec. 31, 2018
2019 Capital Expenditures Arrangement | Oasis Midstream Partners, LP | OMP
Related Party Transaction [Line Items]
Capital contributions under MOU	$ 80,000,000.0	$ 17,100,000
Bobcat DevCo | OMS Holdings LLC (“OMS”)
Related Party Transaction [Line Items]
Ownership interest (percent)		72.60%	75.00%

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