Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.

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Contract With Customer, Refund Payments

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Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent

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Income Taxes [Line Items]

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 15, 2020
Income Taxes [Line Items]
Effective income tax rate	9.00%	4.50%	(3.40%)	3.10%
Corporate federal income tax rate	21.00%	21.00%	21.00%	21.00%
Regulatory Liabilities					$ 160,655
Natural Gas Accounts Receivable [Member]
Income Taxes [Line Items]
Refunded payments	$ 4,751		$ 17,238
Minimum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent			2.50%
Maximum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent			9.99%