Taxonomy Viewer

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

Text	Lang	Role	Container role
Proved Developed and Undeveloped Reserves, Net, Period Increase (Decrease)	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Proved Developed and Undeveloped Reserves, Net, Period Increase (Decrease), Total	en-US	http://www.xbrl.org/2003/role/totalLabel	http://www.xbrl.org/2003/role/link
Volume increase (decrease) of proved reserves of oil and gas.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
TaxonomyVersion	2018	http://fasb.org/srt/role/changeNote/changeNote
ChangeDate	2017-08	http://fasb.org/srt/role/changeNote/changeNote
ModifiedReferences	true	http://fasb.org/srt/role/changeNote/changeNote
Publisher	FASB	http://www.xbrl.org/2009/role/commonPracticeRef
Name	Accounting Standards Codification	http://www.xbrl.org/2009/role/commonPracticeRef
Topic	932	http://www.xbrl.org/2009/role/commonPracticeRef
SubTopic	235	http://www.xbrl.org/2009/role/commonPracticeRef
Section	50	http://www.xbrl.org/2009/role/commonPracticeRef
Paragraph	5	http://www.xbrl.org/2009/role/commonPracticeRef
URI	http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447	http://www.xbrl.org/2009/role/commonPracticeRef
Publisher	SEC	http://www.xbrl.org/2009/role/commonPracticeRef
Name	Form 20-F	http://www.xbrl.org/2009/role/commonPracticeRef
Section	Item 18	http://www.xbrl.org/2009/role/commonPracticeRef
Subsection	Instruction 2	http://www.xbrl.org/2009/role/commonPracticeRef