Taxonomy Viewer

Name	ScheduleOfAuctionMarketPreferredSecuritiesByStockSeriesTextBlock
Namespace	http://fasb.org/us-gaap/2021-01-31
Prefix	us-gaap
Data type	dtr-types:textBlockItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Schedule of Auction Market Preferred Securities by Stock Series [Table Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

	Name	Relation Type	Role
	Auction Market Preferred Securities, Stock Series [Table] `us-gaap:AuctionMarketPreferredSecuritiesStockSeriesTable`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity

	Name	Relation Type	Role
	Table Text Block [Abstract] `us-gaap:TableTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
	Stockholders' Equity Note Disclosure [Text Block] `us-gaap:StockholdersEquityNoteDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity