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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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