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RELATED PARTY TRANSACTIONS - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) $ / Mcf	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Related Party Transaction [Line Items]
Accounts receivable from affiliates	$ 17,837		$ 17,837		$ 6,155
Partnerships owned by majority stockholder
Related Party Transaction [Line Items]
Related party revenue, fee (in USD per Mcf) | $ / Mcf			0.02
Accounts receivable from affiliates	17,800		$ 17,800
Related party asset	10,100		10,100
Partnerships owned by majority stockholder | Partnership costs to drill and operating wells and overhead fees
Related Party Transaction [Line Items]
Revenue from related parties	$ 399	$ 55	$ 810	$ 379

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