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NATURE OF OPERATIONS AND ORGANIZATION (Details)
6 Months Ended
Nov. 09, 2018
Jun. 30, 2020
Segment
pipeline
partnership
$ / shares
Dec. 31, 2019
$ / shares
Schedule Of Organization [Line Items]      
Number of pipeline | pipeline   4  
Number of reportable segments | Segment   1  
Number of limited partnerships | partnership   4  
Altus Midstream LP      
Schedule Of Organization [Line Items]      
General partner, ownership interest   23.10%  
Apache | Altus Midstream LP      
Schedule Of Organization [Line Items]      
Limited partners, ownership interest 76.90% 76.90%  
Class A Common Stock      
Schedule Of Organization [Line Items]      
Common stock, par value (in USD per share) | $ / shares   $ 0.0001 $ 0.0001