Debt Covenant, Total Debt To Total Capitalization, Ratio

No definition available.

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- Definition

Amount of annual principal payment for debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Debt - Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 20, 2024	Jun. 19, 2024	Apr. 01, 2024	Dec. 31, 2023	Jun. 30, 2023
Long-term debt outstanding [Line Items]
Long-term debt	$ 2,400,617				$ 2,298,223	$ 2,247,422
Revolving Credit Facility \| Cascade Natural Gas
Long-term debt outstanding [Line Items]
Line of credit facility, maximum borrowing capacity		$ 175,000	$ 100,000
Ratio of total debt to total capitalization		65.00%
Revolving Credit Facility \| Intermountain Gas Company
Long-term debt outstanding [Line Items]
Line of credit facility, maximum borrowing capacity		$ 175,000	$ 100,000
Ratio of total debt to total capitalization		65.00%
Term Loan Agreement \| WBI Energy Transmission
Long-term debt outstanding [Line Items]
Ratio of total debt to total capitalization				65.00%
Long-term debt				$ 60,000
Interest rate, stated percentage				4.52%
Debt instrument, annual principal payment				$ 4,000