SUPPLEMENTAL DISCLOSURES - Summary of Current Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	$ 226,306	$ 253,283
Accrued evaluated and unproved and unevaluated property costs
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	75,818	128,598
Accrued midstream properties costs
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	15,283	7,799
Accrued lease operating expenses
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	40,241	32,182
Accrued interest on debt
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	22,075	18,232
Accrued asset retirement obligations
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	448	270
Accrued partners’ share of joint interest charges
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	23,184	17,460
Accrued payable related to purchased natural gas
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	19,694	11,284
Other
Condensed Balance Sheet Statements, Captions [Line Items]
Total accrued liabilities	$ 29,563	$ 37,458