Property and Equipment (Details) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($)
Property and Equipment
Total property and equipment	$ 3,667,327
Less accumulated depreciation	(7,650)
Property and equipment, net	3,659,677
Land
Property and Equipment
Total property and equipment	21,496
Gathering systems and facilities
Property and Equipment
Total property and equipment	2,359,714
Residual value	$ 0
Gathering systems and facilities \| Minimum
Property and Equipment
Estimated useful lives	40 years
Gathering systems and facilities \| Maximum
Property and Equipment
Estimated useful lives	50 years
Fresh water permanent buried pipelines and equipment
Property and Equipment
Total property and equipment	$ 670,922
Fresh water permanent buried pipelines and equipment \| Minimum
Property and Equipment
Estimated useful lives	10 years
Fresh water permanent buried pipelines and equipment \| Maximum
Property and Equipment
Estimated useful lives	20 years
Wastewater treatment facility
Property and Equipment
Estimated useful lives	30 years
Total property and equipment	$ 304,478
Fresh water surface pipelines and equipment
Property and Equipment
Total property and equipment	$ 52,223
Fresh water surface pipelines and equipment \| Minimum
Property and Equipment
Estimated useful lives	1 year
Fresh water surface pipelines and equipment \| Maximum
Property and Equipment
Estimated useful lives	5 years
Landfill
Property and Equipment
Total property and equipment	$ 65,066
Heavy trucks and equipment
Property and Equipment
Total property and equipment	$ 4,047
Heavy trucks and equipment \| Minimum
Property and Equipment
Estimated useful lives	3 years
Heavy trucks and equipment \| Maximum
Property and Equipment
Estimated useful lives	5 years
Above ground storage tanks
Property and Equipment
Total property and equipment	$ 4,265
Above ground storage tanks \| Minimum
Property and Equipment
Estimated useful lives	5 years
Above ground storage tanks \| Maximum
Property and Equipment
Estimated useful lives	10 years
Construction-in-progress
Property and Equipment
Total property and equipment	$ 185,116

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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