Taxonomy Viewer

Name	SalesMethodOrEntitlementsMethodPolicy
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	nonnum:textBlockItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Sales Method or Entitlements Method, Policy [Policy Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Disclosure of accounting policy for accounting for gas balance arrangements. This policy addresses whether the entity uses the sales method or entitlements method.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
SourceName	Rescission of SEC Guidance for ASU 2014-09 and 2014-16	http://fasb.org/srt/role/changeNote/changeNote
TaxonomyVersion	2018	http://fasb.org/srt/role/changeNote/changeNote
ChangeDate	2017-02	http://fasb.org/srt/role/changeNote/changeNote
ModifiedReferences	true	http://fasb.org/srt/role/changeNote/changeNote
Source_ASU_Number	2016-11	http://fasb.org/srt/role/changeNote/changeNote
Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	235	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	10	http://fasb.org/us-gaap/role/ref/legacyRef
Section	50	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	3	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790	http://fasb.org/us-gaap/role/ref/legacyRef

	Name	Relation Type	Role
	Policy Text Block [Abstract] `us-gaap:PolicyTextBlockAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
	Gas Balancing Arrangements, Policy [Policy Text Block] `us-gaap:GasBalancingArrangementsPolicy`	parent-child	http://fasb.org/us-gaap/role/disclosure/AccountingPolicies