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

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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

- Definition

The strike price on the price risk option contract such as a put option or a call option.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	us-types:perUnitItemType
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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

Name:	us-gaap_PositionAxis=us-gaap_LongMember
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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 Instruments and Hedging Activities (Schedule of Outstanding Oil and Natural Gas Derivative Contracts) (Details) MMBTU in Thousands	1 Months Ended	6 Months Ended
	Aug. 06, 2016 MMBTU $ / MMBTU	Jun. 30, 2016 MMBTU $ / MMBTU $ / bbl MBbls
Swap Contracts (WTI) for Remainder of 2016 [Member] \| Crude Oil [Member] \| Swap [Member]
Derivative [Line Items]
Total volume \| MBbls		460
Average swap price		58.10
Swap Contracts Combined with Short Puts (WTI, Enhanced Swaps) for Full Year of 2017 [Member] \| Crude Oil [Member] \| Put Option [Member] \| Short [Member]
Derivative [Line Items]
Strike price		30.00
Swap Contracts Combined with Short Puts (WTI, Enhanced Swaps) for Full Year of 2017 [Member] \| Crude Oil [Member] \| Swap [Member]
Derivative [Line Items]
Total volume \| MBbls		730
Strike price		44.50
Collar Contracts Combined with Short Puts (WTI, Three-Way Collars) For Remainder of 2016 [Member] \| Crude Oil [Member]
Derivative [Line Items]
Total volume \| MBbls		276
Collar Contracts Combined with Short Puts (WTI, Three-Way Collars) For Remainder of 2016 [Member] \| Crude Oil [Member] \| Call Option [Member] \| Short [Member]
Derivative [Line Items]
Strike price		63.33
Collar Contracts Combined with Short Puts (WTI, Three-Way Collars) For Remainder of 2016 [Member] \| Crude Oil [Member] \| Put Option [Member] \| Long [Member]
Derivative [Line Items]
Strike price		53.33
Collar Contracts Combined with Short Puts (WTI, Three-Way Collars) For Remainder of 2016 [Member] \| Crude Oil [Member] \| Put Option [Member] \| Short [Member]
Derivative [Line Items]
Strike price		38.77
Collar Contracts (WTI, Two-Way Collars) for Remainder of 2016 [Member] \| Crude Oil [Member]
Derivative [Line Items]
Total volume \| MBbls		368
Collar Contracts (WTI, Two-Way Collars) for Remainder of 2016 [Member] \| Crude Oil [Member] \| Call Option [Member] \| Short [Member]
Derivative [Line Items]
Strike price		46.50
Collar Contracts (WTI, Two-Way Collars) for Remainder of 2016 [Member] \| Crude Oil [Member] \| Put Option [Member] \| Long [Member]
Derivative [Line Items]
Strike price		37.50
Collar Contracts (WTI, Two-Way Collars) for Full Year of 2017 [Member] \| Crude Oil [Member]
Derivative [Line Items]
Total volume \| MBbls		438
Collar Contracts (WTI, Two-Way Collars) for Full Year of 2017 [Member] \| Crude Oil [Member] \| Call Option [Member] \| Short [Member]
Derivative [Line Items]
Strike price		59.05
Collar Contracts (WTI, Two-Way Collars) for Full Year of 2017 [Member] \| Crude Oil [Member] \| Put Option [Member] \| Long [Member]
Derivative [Line Items]
Strike price		47.50
Collar Contracts Combined with Short Puts (Henry Hub, Three-Way Collars) for Remainder of 2017 [Member] \| Natural Gas [Member] \| Subsequent Event [Member]
Derivative [Line Items]
Total volume \| MMBTU	1,460
Collar Contracts Combined with Short Puts (Henry Hub, Three-Way Collars) for Remainder of 2017 [Member] \| Natural Gas [Member] \| Call Option [Member] \| Short [Member] \| Subsequent Event [Member]
Derivative [Line Items]
Average swap price \| $ / MMBTU	3.71
Collar Contracts Combined with Short Puts (Henry Hub, Three-Way Collars) for Remainder of 2017 [Member] \| Natural Gas [Member] \| Put Option [Member] \| Long [Member] \| Subsequent Event [Member]
Derivative [Line Items]
Average swap price \| $ / MMBTU	3.00
Collar Contracts Combined with Short Puts (Henry Hub, Three-Way Collars) for Remainder of 2017 [Member] \| Natural Gas [Member] \| Put Option [Member] \| Short [Member] \| Subsequent Event [Member]
Derivative [Line Items]
Average swap price \| $ / MMBTU	2.50
Short Call Option Contracts for Full Year of 2017 [Member] \| Crude Oil [Member] \| Call Option [Member] \| Short [Member]
Derivative [Line Items]
Total volume \| MBbls		670
Strike price		50.00
Swap Contracts (Midland Basis Differentials) for Remainder of 2016 [Member] \| Crude Oil [Member] \| Swap [Member]
Derivative [Line Items]
Total volume \| MBbls		736
Average swap price		0.17
Swap Contracts (Henry Hub) for Remainder of 2016 [Member] \| Natural Gas [Member] \| Swap [Member]
Derivative [Line Items]
Total volume \| MMBTU		1,104
Average swap price \| $ / MMBTU		2.52