PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 214,389,000	$ 207,270,000
Less: accumulated depreciation and amortization	(7,085,000)	(1,468,000)
Total property, plant and equipment, net	207,304,000	205,802,000
Gathering, processing and transmission systems and facilities
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	210,738,000	198,133,000
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	328,000	5,443,000
Capitalized interest	0	600,000
Other property and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 3,323,000	$ 3,694,000