Derivatives (Schedule of Non-designated Hedges Outstanding) (Details) - Natural gas	12 Months Ended
Dec. 31, 2019 $ / Unit MMBoe
Basis Swap \| PEPL \| Jan'20 - Dec'20
Derivative Instruments, Gain (Loss) [Line Items]
Hedged Volume (Mmbtu) \| MMBoe	20,000
Swap price	(0.455)
Basis Swap \| NGPL Texok \| Jan'20 - Dec'20
Derivative Instruments, Gain (Loss) [Line Items]
Hedged Volume (Mmbtu) \| MMBoe	30,000
Swap price	(0.275)
Basis Swap \| NGPL Texok \| Jan'21 - Dec'21
Derivative Instruments, Gain (Loss) [Line Items]
Hedged Volume (Mmbtu) \| MMBoe	30,000
Swap price	(0.215)
Three-way collar \| If Nymex \| Jan'20 - Dec'20
Derivative Instruments, Gain (Loss) [Line Items]
Hedged Volume (Mmbtu) \| MMBoe	30,000
Floor Price	2.50
Ceiling Price	2.80
Subfloor Price	2.20

Non Designated Derivative Instrument Weighted Average Fixed Price For Swaps

No definition available.

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- 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 average strike price on the group of price risk option contracts such as put options or call options.

+ 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.

+ References

No definition available.

+ Details

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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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- 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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