SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 974,663	$ 442,842	$ 1,637,823	$ 779,023
Realized loss on derivatives	(61,163)	(42,611)	(83,602)	(68,524)
Unrealized gain (loss) on derivatives	30,430	(42,804)	(44,599)	(86,227)
Total revenues	943,930	357,427	1,509,622	624,272
Oil revenues
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	650,233	315,114	1,110,355	528,393
Natural gas revenues
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	242,536	96,960	408,929	199,914
Third-party midstream services revenues
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	21,886	19,850	39,192	35,288
Sales of purchased natural gas
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 60,008	$ 10,918	$ 79,347	$ 15,428