Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2019
Goodwill [Roll Forward]
Goodwill acquired		$ 946,536
Impairment of goodwill	$ (43,759)	(43,759)
Goodwill as of September 30, 2019	902,777	902,777
Gathering And Processing
Goodwill [Roll Forward]
Goodwill acquired		587,629
Goodwill as of September 30, 2019	587,629	587,629
Water Handling And Treatment
Goodwill [Roll Forward]
Goodwill acquired		358,907
Impairment of goodwill		(43,759)
Goodwill as of September 30, 2019	$ 315,148	$ 315,148

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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