Subsequent Events (Details) - Subsequent Event |
Aug. 02, 2018
bbl / d
|
|---|---|
| Permian Basin Agreement | |
| Subsequent Event [Line Items] | |
| Supply commitment term | 6 years |
| Permian Basin Agreement, Year One | |
| Subsequent Event [Line Items] | |
| Supply commitment, firm gross sales per day (in barrels) | 20,000 |
| Permian Basin Agreement, After Year One | |
| Subsequent Event [Line Items] | |
| Supply commitment, firm gross sales per day (in barrels) | 30,000 |