Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows [Table Text Block]

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Labels

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Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows [Table Text Block]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link
Tabular disclosure of the aggregate change in the standardized measure of discounted future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchases under long-term agreements in which the enterprise participates in the operation of the properties on which oil and gas is located or otherwise serves as the producer.en-UShttp://www.xbrl.org/2003/role/documentationhttp://www.xbrl.org/2003/role/link

References

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ChangeDate2017-11http://fasb.org/srt/role/changeNote/changeNote
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NameAccounting Standards Codificationhttp://www.xbrl.org/2003/role/disclosureRef
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Related Child Concepts

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srt:PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAbstract
parent-childhttp://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries

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