COMMODITY DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Fair Value and Classification of Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Derivatives Fair Value [Line Items]
Gross fair value, assets	$ 3,588	$ 0
Effect of counterparty netting, assets	(1,304)	0
Total net carrying value on balance sheet, assets	2,284	0
Gross fair value, liabilities	110,806	53,545
Effect of counterparty netting, liabilities	(1,304)	0
Total net carrying value on balance sheet, liabilities	109,502	53,545
Commodity derivative assets
Derivatives Fair Value [Line Items]
Gross fair value, assets	702	0
Effect of counterparty netting, assets	(386)	0
Total net carrying value on balance sheet, assets	316	0
Deferred charges and other long-term assets
Derivatives Fair Value [Line Items]
Gross fair value, assets	2,886	0
Effect of counterparty netting, assets	(918)	0
Total net carrying value on balance sheet, assets	1,968	0
Commodity derivative liabilities, current
Derivatives Fair Value [Line Items]
Gross fair value, liabilities	106,466	51,544
Effect of counterparty netting, liabilities	(386)	0
Total net carrying value on balance sheet, liabilities	106,080	51,544
Commodity derivative liabilities, long-term
Derivatives Fair Value [Line Items]
Gross fair value, liabilities	4,340	2,001
Effect of counterparty netting, liabilities	(918)	0
Total net carrying value on balance sheet, liabilities	$ 3,422	$ 2,001