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Defined Benefit Plan, Roll Forwards [Abstract]

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

Labels

Text	Lang	Role	Container role
Defined Benefit Plan, Roll Forwards [Abstract]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Related Child Concepts

	Name	Relation Type	Role
	Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] `us-gaap:DefinedBenefitPlanChangeInBenefitObligationRollForward`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
	Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] `us-gaap:DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
	Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward] `us-gaap:DefinedBenefitPlanChangeInFairValueOfPlanAssetsLevel3ReconciliationRollForward`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
	Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] `us-gaap:DefinedBenefitPlanChangeInBenefitObligationRollForward`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable
	Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] `us-gaap:DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable
	Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward] `us-gaap:DefinedBenefitPlanChangeInFairValueOfPlanAssetsLevel3ReconciliationRollForward`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable

Related Parent Concepts

	Name	Relation Type	Role
	Defined Benefit Plan Disclosure [Line Items] `us-gaap:DefinedBenefitPlanDisclosureLineItems`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
	Defined Benefit Plan Disclosure [Line Items] `us-gaap:DefinedBenefitPlanDisclosureLineItems`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable