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Derivative Instruments - Notional Amounts of Derivative Instruments (Details) - Mcf Mcf in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Natural Gas Commodity Swaps (Bcf)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount	1,686,100	1,256,900
Natural Gas Basis Swaps (Bcf)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount	1,233,300	1,294,100
Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount	410,000	569,972

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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

Nominal volume used to calculate payments on a derivative instrument.

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No definition available.

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