Taxonomy Viewer

Name	ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock
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
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

	Name	Relation Type	Role
	Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Table] `us-gaap:DefinedBenefitPlanPlanAssetsLevel3ReconciliationTable`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits

	Name	Relation Type	Role
	Table Text Block [Abstract] `us-gaap:TableTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
	Defined Benefit Plan [Text Block] `us-gaap:DefinedBenefitPlanTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits