STATEMENT OF CONSOLIDATED OPERATIONS (Unaudited) (Parenthetical) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
General and administrative	[1]	$ 2,936	$ 3,242	$ 10,102	$ 8,314
Affiliated Entity | Service Agreements | Apache
Gathering, processing, and transmission		1,200	2,200	4,000	7,100
General and administrative		$ 1,600	$ 2,100	$ 5,100	$ 4,700

[1] Includes amounts of $1.6 million and $2.1 million associated with related parties for the three months ended September 30, 2020 and 2019, respectively, and $5.1 million and $4.7 million for the nine months ended September 30, 2020 and 2019, respectively. Refer to Note 2—Transactions with Affiliates.