TRANSACTIONS WITH AFFILIATES (Details) $ / shares in Units, $ in Thousands			1 Months Ended			3 Months Ended					9 Months Ended			12 Months Ended
		Jan. 01, 2022 USD ($)	Aug. 31, 2021 USD ($) $ / shares	May 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)		Sep. 30, 2021 USD ($) agreement $ / shares	Sep. 30, 2020 USD ($)		Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) $ / shares
Related Party Transaction [Line Items]
Number of service agreements with affiliates | agreement											3
General and administrative	[1]					$ 3,420			$ 2,936	[2]	$ 10,350	$ 10,102	[2]
Dividends declared (in USD per share) | $ / shares											$ 1.50
Payments of common stock dividend											$ 16,859	0	[3]
Capital distribution (in USD per share) | $ / shares			$ 1.50	$ 1.50	$ 1.50										$ 1.50
Proceeds from limited partnership investments			$ 5,600	$ 5,600	$ 5,600
Class A Common Stock
Related Party Transaction [Line Items]
Dividends declared (in USD per share) | $ / shares			$ 1.50	$ 1.50	$ 1.50
Payments of common stock dividend						5,600	$ 5,600	$ 5,600
Apache
Related Party Transaction [Line Items]
Proceeds from limited partnership investments			$ 18,800	$ 18,800	$ 18,800
Apache | Class A Common Stock
Related Party Transaction [Line Items]
Proceeds from noncontrolling interests			$ 500	$ 500	$ 500
Altus Midstream LP
Related Party Transaction [Line Items]
Distributions from partners' capital						24,400	$ 24,400	$ 24,400
Altus Midstream LP | Apache
Related Party Transaction [Line Items]
Limited partners, ownership interest			76.90%	76.90%	76.90%
Altus Midstream LP | Apache | Class A Common Stock
Related Party Transaction [Line Items]
Ownership percentage			9.80%	9.80%	9.80%										9.80%
Affiliated Entity | Apache | Service Agreements
Related Party Transaction [Line Items]
Gathering, processing, and transmission						1,500			1,200		3,800	4,000
General and administrative						$ 2,200			$ 1,600		$ 6,800	$ 5,100
Affiliated Entity | Apache | Construction, Operations and Maintenance Agreement
Related Party Transaction [Line Items]
Expenses from transactions with related party															$ 5,000
Related party transaction, prior written notice period											30 days
Related party transaction, maximum direct or indirect interest ownership of voting or other equity securities											50.00%
Affiliated Entity | Apache | Construction, Operations and Maintenance Agreement | Forecast
Related Party Transaction [Line Items]
Expenses from transactions with related party		$ 9,000												$ 7,000

[1] Includes amounts of $2.2 million and $1.6 million associated with related parties for the three months ended September 30, 2021 and 2020, respectively, and $6.8 million and $5.1 million associated with related parties for the nine months ended September 30, 2021 and 2020, respectively. Refer to Note 2—Transactions with Affiliates.

[2] This period presented has been revised to reflect the Company’s fair value change of its underlying warrants. Refer to Note 1—Summary of Significant Accounting Policies, see the section titled Revision of Previously Issued Consolidated Financial Statements for Immaterial Adjustment for further information.

[3] This period presented has been revised to reflect the Company’s fair value change of its underlying warrants. Refer to Note 1—Summary of Significant Accounting Policies, see the section titled Revision of Previously Issued Consolidated Financial Statements for Immaterial Adjustment for further information.