Name:	us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesAbstract
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Data Type:	xbrli:stringItemType
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The noncash expense charged against earnings to recognize the consumption of oil and gas reserves that are part of an entities' assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Name:	us-gaap_DepletionOfOilAndGasProperties
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Depletion of oil and gas property carried under the full cost method.

No definition available.

Name:	us-gaap_OilAndGasPropertyFullCostMethodDepletion
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Oil and gas properties, gross, carried under the full cost method.

No definition available.

Name:	us-gaap_OilAndGasPropertyFullCostMethodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Oil and gas properties, net of depletion, carried under the full cost method.

No definition available.