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Dispositions (Details) $ in Thousands		3 Months Ended
Dispositions (Details) $ in Thousands	Oct. 01, 2023 USD ($) customer	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Oct. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Prepayments and other current assets		$ 34,619	$ 99,884
Disposal Group, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration for sale of business unit				$ 165,000
Prepayments and other current assets			$ 63,182
Gain on sale		91,236
West Virginia [Member] \| Disposal Group, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Productive Assets		$ 1,213
West Virginia [Member] \| Regulated Natural Gas Utility Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of customers \| customer	13,000
Percent of regulated natural gas customers sold		2.00%
Total purchase price	$ 39,965	$ 41,178