- 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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Balance Type:	na
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- 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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:energyItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Derivative Financial Instruments Additional Information (Details) MMBTU in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2020 MMBTU	Sep. 30, 2020 MMBTU	Oct. 31, 2020 $ / Unit
Natural Gas [Member] \| Collars
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		88,633
Natural Gas [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		41,500
2020 \| Natural Gas [Member] \| Collars
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		17,308
2020 \| Natural Gas [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		1,000
2020 \| Natural Gas [Member] \| Basis Protection - CIG [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		17,350
2021 \| Natural Gas [Member] \| Collars
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		62,625
2021 \| Natural Gas [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		31,800
2021 \| Natural Gas [Member] \| Basis Protection - CIG [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		94,425
2022 \| Natural Gas [Member] \| Collars
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		8,700
2022 \| Natural Gas [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		8,700
2022 \| Natural Gas [Member] \| Basis Protection - CIG [Member] \| Fixed Price Swaps
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure		17,400
Subsequent Event [Member] \| 2022 \| Natural Gas [Member] \| Commodity Option [Member]
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure	8,700
Subsequent Event [Member] \| 2022 \| Natural Gas [Member] \| Basis Protection - CIG [Member]
Derivatives in Place for Anticipated Production
Derivative, Nonmonetary Notional Amount, Energy Measure	8,700
Natural Gas [Member] \| Subsequent Event [Member] \| 2022 \| CME SWAPS MARKETS (NYMEX) [Member]
Derivatives in Place for Anticipated Production
Derivative, Floor Price \| $ / Unit			2.50
Derivative, Cap Price \| $ / Unit			3.00
Natural Gas [Member] \| Subsequent Event [Member] \| 2022 \| CIG [Member]
Derivatives in Place for Anticipated Production
Derivative, Swap Type, Average Fixed Price \| $ / Unit			(0.31)