Amount of transfers of assets measured on a recurring basis between levels of the fair value hierarchy.

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- Definition

The amount of premiums recorded in other current assets on natural gas contracts held

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No definition available.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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- Definition

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and obligation to return cash collateral under master netting arrangements.

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- Definition

Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and right to receive cash collateral under master netting arrangements.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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- Definition

Nominal number of units used to calculate payment on derivative.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details) Note	6 Months Ended
	Jun. 30, 2025 USD ($) Bcf	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) Bcf
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair Value Assets, Transfers between Levels	$ 0	$ 0
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	23,741,000		$ 21,892,000
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset	0		(25,000)
Long-term Debt, Fair Value	$ 2,300,000,000		$ 2,200,000,000
Commodity Option
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative, Nonmonetary Notional Amount \| Bcf	0.8		0.60
Premiums recorded in other current assets on natural gas contracts held	$ 800,000		$ 600,000
Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative, Nonmonetary Notional Amount \| Bcf	7.65		6.20
Other Current Assets \| Swap
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
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	$ 8,298,000		8,721,000
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	14,022,000		13,171,000
Other Assets \| Equity 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	1,421,000
Other Current Liabilities \| Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Instruments, Owned, at Fair Value	2,072,000		3,213,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	9,719,000		8,721,000
Fair Value, Inputs, Level 1 [Member] \| Other Current Assets \| Swap
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
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	8,298,000		8,721,000
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset	0		0
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 Assets \| Equity 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	1,421,000
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		0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	14,022,000		13,196,000
Fair Value, Inputs, Level 2 [Member] \| Other Current Assets \| Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement			25,000
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset			(25,000)
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	14,022,000		13,171,000
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset	0		0
Fair Value, Inputs, Level 2 [Member] \| Other Assets \| Equity 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
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset	0
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	2,072,000		3,238,000
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset	$ 0		$ (25,000)