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Proved Developed and Undeveloped Reserves [Roll Forward]

Name	IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward
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
Proved Developed and Undeveloped 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

Related Child Concepts

	Name	Relation Type	Role
	Proved Developed and Undeveloped Reserves, Net `srt:ProvedDevelopedAndUndevelopedReservesNet`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates `srt:ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Improved Recovery `srt:ProvedDevelopedAndUndevelopedReservesImprovedRecovery`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place `srt:ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions `srt:ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Production `srt:ProvedDevelopedAndUndevelopedReservesProduction`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Sales of Minerals in Place `srt:ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Net, Period Increase (Decrease) `srt:ProvedDevelopedAndUndevelopedReservesNetPeriodIncreaseDecrease`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Net `srt:ProvedDevelopedAndUndevelopedReservesNet`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Proved Developed and Undeveloped Reserves, Net `srt:ProvedDevelopedAndUndevelopedReservesNet`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates `srt:ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Improved Recovery `srt:ProvedDevelopedAndUndevelopedReservesImprovedRecovery`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place `srt:ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions `srt:ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Production `srt:ProvedDevelopedAndUndevelopedReservesProduction`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Sales of Minerals in Place `srt:ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
	Proved Developed and Undeveloped Reserves, Net, Period Increase (Decrease) `srt:ProvedDevelopedAndUndevelopedReservesNetPeriodIncreaseDecrease`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable

Related Parent Concepts

	Name	Relation Type	Role
	Reserve Quantities [Line Items] `srt:ReserveQuantitiesLineItems`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Reserve Quantities [Line Items] `srt:ReserveQuantitiesLineItems`	domain-member	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable