DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Location and Aggregate Fair Value of All Derivative Financial Instruments Recorded in the Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivative Instrument
Realized loss on derivatives	$ (22,439)	$ (25,913)
Unrealized loss on derivatives	(75,029)	(43,423)
Total	(97,468)	(69,336)
Revenues
Derivative Instrument
Realized loss on derivatives	(22,439)	(25,913)
Unrealized loss on derivatives	(75,029)	(43,423)
Oil | Revenues
Derivative Instrument
Realized loss on derivatives	(18,166)	(26,075)
Unrealized loss on derivatives	(44,999)	(39,269)
Natural Gas | Revenues
Derivative Instrument
Realized loss on derivatives	(4,273)	162
Unrealized loss on derivatives	$ (30,030)	$ (4,154)