Defined Benefit Plan, Underfunded Plan [Member]

NameUnderfundedPlanMember
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typenonnum:domainItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
Defined benefit plan in which retirement benefits are payable directly from plan assets segregated and restricted to provide such benefits and for which benefit obligation exceeds plan assets available to provide retirement benefits.en-UShttp://www.xbrl.org/2003/role/documentationhttp://www.xbrl.org/2003/role/link
Defined Benefit Plan, Underfunded Plan [Member]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

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