Taxonomy Viewer

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

Text	Lang	Role	Container role
Multiemployer Plan, Number of Employees Covered	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Number of entity's employees covered by multiemployer plan.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
SourceName	Retirement Benefits:Taxonomy Technical Improvement	http://fasb.org/srt/role/changeNote/changeNote
TaxonomyVersion	2020	http://fasb.org/srt/role/changeNote/changeNote
ChangeDate	2019-10	http://fasb.org/srt/role/changeNote/changeNote
NewElement	true	http://fasb.org/srt/role/changeNote/changeNote
Publisher	FASB	http://www.xbrl.org/2009/role/commonPracticeRef
Name	Accounting Standards Codification	http://www.xbrl.org/2009/role/commonPracticeRef
Topic	715	http://www.xbrl.org/2009/role/commonPracticeRef
SubTopic	80	http://www.xbrl.org/2009/role/commonPracticeRef
Section	50	http://www.xbrl.org/2009/role/commonPracticeRef
Paragraph	6	http://www.xbrl.org/2009/role/commonPracticeRef
Subparagraph	(c)	http://www.xbrl.org/2009/role/commonPracticeRef
URI	http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947	http://www.xbrl.org/2009/role/commonPracticeRef
Publisher	FASB	http://www.xbrl.org/2009/role/commonPracticeRef
Name	Accounting Standards Codification	http://www.xbrl.org/2009/role/commonPracticeRef
Topic	715	http://www.xbrl.org/2009/role/commonPracticeRef
SubTopic	80	http://www.xbrl.org/2009/role/commonPracticeRef
Section	50	http://www.xbrl.org/2009/role/commonPracticeRef
Paragraph	11	http://www.xbrl.org/2009/role/commonPracticeRef
Subparagraph	(c)	http://www.xbrl.org/2009/role/commonPracticeRef
URI	http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947	http://www.xbrl.org/2009/role/commonPracticeRef

	Name	Relation Type	Role
	Multiemployer Plan [Line Items] `us-gaap:MultiemployerPlansLineItems`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
	Multiemployer Plan [Line Items] `us-gaap:MultiemployerPlansLineItems`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfMultiemployerPlansTable