SUPPLEMENTAL DISCLOSURES - Supplemental Disclosures of Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for interest expense, net of amounts capitalized	$ 51,468	$ 71,890
Increase (decrease) in liabilities for drilling, completion and equipping capital expenditures	29,256	(16,333)
Increase (decrease) in liabilities for acquisition of oil and natural gas properties	3,299	(2,377)
Increase (decrease) in liabilities for midstream properties capital expenditures	5,874	(10,653)
Stock-based compensation expense recognized as a liability	20,535	1,434
Transfer of inventory to oil and natural gas properties	(625)	(445)
Mineral Properties
Condensed Cash Flow Statements, Captions [Line Items]
Increase in asset retirement obligations	157	(232)
Midstream Properties
Condensed Cash Flow Statements, Captions [Line Items]
Increase in asset retirement obligations	$ 104	$ 472