Taxonomy Viewer

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

Text	Lang	Role	Container role
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, Last (Deprecated 2020-01-31)	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan that will expire last in a group of associated collective bargaining arrangements, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Deprecated Items [Abstract] `us-gaap:DeprecatedItems`	parent-child	http://fasb.org/us-gaap/role/deprecated/deprecated
`srt:MaximumMember`	dep-dimensionallyQualifiedConcept-deprecatedConcept	http://fasb.org/us-gaap/role/deprecated/deprecated
Multiemployer Plan, Pension, Insignificant, Collective-Bargaining Arrangement, Expiration Date `us-gaap:MultiemployerPlanPensionInsignificantCollectiveBargainingArrangementExpirationDate`	dep-dimensionallyQualifiedConcept-deprecatedConcept	http://fasb.org/us-gaap/role/deprecated/deprecated
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date `us-gaap:MultiemployerPlanPensionSignificantCollectiveBargainingArrangementExpirationDate`	dep-dimensionallyQualifiedConcept-deprecatedConcept	http://fasb.org/us-gaap/role/deprecated/deprecated
`srt:RangeAxis`	dep-dimensionallyQualifiedConcept-deprecatedConcept	http://fasb.org/us-gaap/role/deprecated/deprecated