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Derivative Instruments - Outstanding Commodity Derivatives (Details) - Natural gas (NYMEX)	1 Months Ended	6 Months Ended
	Jul. 31, 2021 MMBTU $ / MMBTU	Jun. 30, 2021 MMBTU $ / MMBTU
Derivative [Line Items]
Volume (in Mmbtu) | MMBTU		9,200,000
Swaps Weighted-Average (in dollars per Mmbtu)		2.74
Subsequent event
Derivative [Line Items]
Volume (in Mmbtu) | MMBTU	9,200,000
Swaps Weighted-Average (in dollars per Mmbtu)	4.01
Volume (in Mmbtu) | MMBTU		82,800,000
Floor, Weighted-Average (in usd per Mmbtu)		2.68
Ceiling, Weighted-Average (in dollars per Mmbtu)		3.05
Subsequent event
Derivative [Line Items]
Volume (in Mmbtu) | MMBTU	9,150,000
Swaps Weighted-Average (in dollars per Mmbtu)	4.02
Minimum
Derivative [Line Items]
Floor Price (in dollars per Mmbtu)		2.50
Ceiling, Cap Price (in dollars per Mmbtu)		2.88
Maximum
Derivative [Line Items]
Floor Price (in dollars per Mmbtu)		2.85
Ceiling, Cap Price (in dollars per Mmbtu)		3.80
Volume (in Mmbtu) | MMBTU		6,150,000
Floor Price (in dollars per Mmbtu)		0
Floor, Weighted-Average (in usd per Mmbtu)		2.50
Ceiling, Cap Price (in dollars per Mmbtu)		0
Ceiling, Weighted-Average (in dollars per Mmbtu)		2.80
Swaps Weighted-Average (in dollars per Mmbtu)
Volume (in Mmbtu) | MMBTU		12,300,000
Ceiling, Weighted-Average (in dollars per Mmbtu)
Swaps Weighted-Average (in dollars per Mmbtu)		2.78

X

- Definition

The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

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- Definition

The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

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- Definition

The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

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- Definition

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

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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 energy measure used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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- Definition

Average fixed price related to the group of price risk swap derivatives.

+ References

No definition available.

+ Details

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