Taxonomy Viewer

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

Text	Lang	Role	Container role
Collective-Bargaining Arrangement [Domain]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Arrangement collectively bargained between employer and its employees represented by union.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	FASB	http://www.xbrl.org/2003/role/exampleRef
Name	Accounting Standards Codification	http://www.xbrl.org/2003/role/exampleRef
Topic	715	http://www.xbrl.org/2003/role/exampleRef
SubTopic	80	http://www.xbrl.org/2003/role/exampleRef
Section	55	http://www.xbrl.org/2003/role/exampleRef
Paragraph	8	http://www.xbrl.org/2003/role/exampleRef
URI	http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948	http://www.xbrl.org/2003/role/exampleRef
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	5	http://www.xbrl.org/2009/role/commonPracticeRef
Subparagraph	(d)	http://www.xbrl.org/2009/role/commonPracticeRef
URI	http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947	http://www.xbrl.org/2009/role/commonPracticeRef

	Name	Relation Type	Role
	Collective-Bargaining Arrangement, Other [Member] `us-gaap:CollectiveBargainingArrangementOtherMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists