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Transactions with Related Parties (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($) item | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Transactions with Related Parties |  |  |
Revenue from related parties | $ 17,054,000 | $ 17,240,000 | $ 16,873,000
Related party receivables | 2,700,000 |  |
Jerry Peters |  |  |
Transactions with Related Parties |  |  |
Revenue from related parties | 300,000 |  |
Related party receivables | $ 0 |  |
Limited partner | ETP |  |  |
Transactions with Related Parties |  |  |
Ownership interest (as a percent) | 48.00% |  |
General partner | ETP |  |  |
Transactions with Related Parties |  |  |
Ownership interest (as a percent) | 100.00% |  |
ETP |  |  |
Transactions with Related Parties |  |  |
Related party receivables | $ 44,900,000 |  |
Entities affiliated with ETP |  |  |
Transactions with Related Parties |  |  |
Related party receivables | $ 400,000 |  |
EIG Management Company, LLC |  |  |
Transactions with Related Parties |  |  |
Right to designate number of members of the Board | item | 1 |  |
Outstanding common units held by preferred units for right to designate a member of the Board (as a percent) | 5.00% |  |
Predecessor | ETP |  |  |
Transactions with Related Parties |  |  |
Medical, dental and other healthcare benefits | $ 1,900,000 | 7,400,000 | 5,800,000
401(k) contribution cost | $ 900,000 | 3,000,000 | 2,700,000
401(k) match (as a percent) | 3.00% |  |
Related party, general and administrative expenses | $ 1,800,000 | 3,600,000 | 4,700,000
Predecessor | Entities affiliated with ETP |  |  |
Transactions with Related Parties |  |  |
Revenue from related parties |  | 17,200,000 | $ 16,900,000
Related party receivables |  | 45,000 |
Related party payables |  | $ 2,000,000 |

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