SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Discount rate, present value of future revenue			10.00%
Full-cost ceiling impairment	$ 0		$ 0
Deferred income tax benefit	(99,699)	$ (5,349)	(152,818)	$ (8,189)
Capitalized general and administrative costs	10,400	9,200	23,600	18,700
Interest costs capitalized	$ 800	$ 1,900	$ 4,400	$ 2,500
Options
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Antidilutive securities (in shares)		0.5		1.5