Taxonomy Viewer

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

Text	Lang	Role	Container role
Class of Treasury Stock [Table]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity
Share Repurchase Program [Axis] `us-gaap:ShareRepurchaseProgramAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity
Equity, Class of Treasury Stock [Line Items] `us-gaap:EquityClassOfTreasuryStockLineItems`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	hypercube-dimension	http://fasb.org/us-gaap/role/disclosure/EquityClassOfTreasuryStockTable
Share Repurchase Program [Axis] `us-gaap:ShareRepurchaseProgramAxis`	hypercube-dimension	http://fasb.org/us-gaap/role/disclosure/EquityClassOfTreasuryStockTable

	Name	Relation Type	Role
	Class of Treasury Stock [Table Text Block] `us-gaap:ScheduleOfTreasuryStockByClassTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity
	Equity, Class of Treasury Stock [Line Items] `us-gaap:EquityClassOfTreasuryStockLineItems`	all	http://fasb.org/us-gaap/role/disclosure/EquityClassOfTreasuryStockTable