DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details) Note $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) Bcf	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) Bcf
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair Value Assets, Transfers between Levels	$ 0	$ 0
Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative, Nonmonetary Notional Amount | Bcf	0		5.1
Commodity Option
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative, Nonmonetary Notional Amount | Bcf	0		0.5
Other Assets | US Treasury Securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	$ 6,476		$ 6,496
Other Assets | Corporate Bond Securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	10,266		11,080
Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	16,742		17,576
Other Current Liabilities | Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Instruments, Owned, at Fair Value			13,920
Fair Value, Inputs, Level 1 [Member] | Other Assets | US Treasury Securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	6,476		6,496
Fair Value, Inputs, Level 1 [Member] | Other Assets | Corporate Bond Securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	0		0
Fair Value, Inputs, Level 1 [Member] | Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	6,476		6,496
Fair Value, Inputs, Level 1 [Member] | Other Current Liabilities | Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Instruments, Owned, at Fair Value			0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Long-term Debt, Fair Value	2,000,000		2,800,000
Fair Value, Inputs, Level 2 [Member] | Other Assets | US Treasury Securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	0		0
Fair Value, Inputs, Level 2 [Member] | Other Assets | Corporate Bond Securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	10,266		11,080
Fair Value, Inputs, Level 2 [Member] | Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	$ 10,266		11,080
Fair Value, Inputs, Level 2 [Member] | Other Current Liabilities | Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Instruments, Owned, at Fair Value			$ 13,920