FAIR VALUE MEASUREMENTS - Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag	Commodity derivative instruments	Commodity derivative instruments
Commodity derivative instruments	$ 3,608		$ 2,114
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	27,193		23,135
Commodity derivative instruments	3,608		2,114
Level 1 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	27,193		23,135
Commodity derivative instruments	0		0
Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0		0
Commodity derivative instruments	3,608		2,114
Level 3 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0		0
Commodity derivative instruments	$ 0		$ 0