Taxonomy Viewer

Name	AdditionalInformationNecessaryToPreventDisclosureOfDiscountsFutureNetCashFlowsFromBeingMisleading
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	False

Text	Lang	Role	Container role
Additional Information Necessary to Prevent Disclosure of Discounts Future Net Cash Flows from Being Misleading	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Additional information necessary to prevent the disclosure of the standardized measure of discounted future net cash flows and changes therein from being misleading.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	SEC	http://www.xbrl.org/2003/role/disclosureRef
Name	Form 20-F	http://www.xbrl.org/2003/role/disclosureRef
Section	Item 18	http://www.xbrl.org/2003/role/disclosureRef
Subsection	Instruction 2	http://www.xbrl.org/2003/role/disclosureRef

	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/srt/role/disclosure/ExtractiveIndustries
	Principal Sources of Change in Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves [Abstract] `srt:PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAbstract`	domain-member	http://fasb.org/srt/role/disclosure/ExtractiveIndustriesDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable