Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

All goodwill is attributed to the Midstream reportable segment. Changes in the carrying amount of goodwill consist of the following activity:

December 31, 2017	$	—
Acquisitions	796,359
September 30, 2018	$	796,359

Schedule of Finite-Lived Intangible Assets

The carrying amount and accumulated amortization of other intangible assets consist of the following:

	September 30, 2018
Other Intangible Assets
Customer Relationships	$	128,781
Less: Impairment of Other Intangible Assets	(18,650		)
Less: Accumulated Amortization for Customer Relationships	(5,293		)
Total Other Intangible Assets, net	$	104,838

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated future annual amortization expense for the next five fiscal years for other intangible assets recorded at September 30, 2018 is as follows:

	2019		2020		2021		2022		2023
Estimated Annual Amortization Expense	$	6,552	$	6,552	$	6,552	$	6,552	$	6,552