CONSOLIDATED STATEMENTS OFCASH FLOWS (Parenthetical) - USD ($) $ in Thousands		7 Months Ended	12 Months Ended
		Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Gathering, processing, and transmission	[1]	$ 0	$ 53,922	$ 16,597
Affiliated Entity | Apache
Proceeds from Partnership Contribution		$ 59,300	484,500	505,700
Gathering, processing, and transmission			$ 9,100	$ 4,700

[1] Includes amounts of $9.1 million and $4.7 million to related parties for the year ended December 31, 2018 and 2017, respectively. Refer to Note 3 — Transactions with Affiliates.