CONSOLIDATED STATEMENTS OFCASH FLOWS (Parenthetical) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accrued capital expenditures	[1]	$ 514	$ 834	$ 18,573
Affiliated Entity | Apache
Accrued capital expenditures		$ 800	$ 400	$ 1,500

[1] Includes $0.8 million due from Apache and $0.4 million and $1.5 million due to Apache of capital expenditures for the years ended December 31, 2021, 2020, and 2019, respectively, pursuant to the terms of the Construction, Operations, and Maintenance Agreement entered into at the closing of the Altus Combination. Refer to Note 2—Transactions with Affiliates for more information.