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Increase (Decrease) in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Roll Forward]

Name	IncreaseDecreaseInStandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesRollForward
Namespace	http://fasb.org/srt/2020-01-31
Prefix	srt
Data type	xbrli:stringItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	True

Labels

Text	Lang	Role	Container role
Increase (Decrease) in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Roll Forward]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

References

Name	Value	Role
TaxonomyVersion	2018	http://fasb.org/srt/role/changeNote/changeNote
ChangeDate	2017-11	http://fasb.org/srt/role/changeNote/changeNote
ModifiedLabels	true	http://fasb.org/srt/role/changeNote/changeNote

Related Child Concepts

	Name	Relation Type	Role
	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves `srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs `srt:NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Changes in Estimated Future Development Costs `srt:IncreaseDecreaseInEstimatedFutureDevelopmentCosts`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Sales and Transfers of Oil and Gas Produced, Net of Production Costs `srt:SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs `srt:ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Increase Due to Purchases of Minerals in Place `srt:IncreaseDueToPurchasesOfMineralsInPlace`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Decrease Due to Sales of Minerals in Place `srt:DecreaseDueToSalesOfMineralsInPlace`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Previously Estimated Development Costs Incurred `srt:PreviouslyEstimatedDevelopmentCostsIncurred`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Revisions of Previous Quantity Estimates `srt:RevisionsOfPreviousQuantityEstimates`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount `srt:StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves `srt:IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other `srt:StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease) `srt:StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves `srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries

Related Parent Concepts

	Name	Relation Type	Role
	Principal Sources of Change in Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves [Abstract] `srt:PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries