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Transactions with Related Parties (Details)	12 Months Ended
	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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