Taxonomy Viewer

Name	DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	xbrli:stringItemType
Period type	duration
Substitution Group	xbrldt:dimensionItem
Balance	None
Nillable	True
Abstract	True

Text	Lang	Role	Container role
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] `us-gaap:OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] `us-gaap:OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain`	dimension-default	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] `us-gaap:OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable

	Name	Relation Type	Role
	Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] `us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral
	Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] `us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable`	hypercube-dimension	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable