Taxonomy Viewer

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

Text	Lang	Role	Container role
Exchange Memberships, Policy [Policy Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Disclosure of accounting policy for exchange membership with right of ownership, right to conduct business and contributed exchange membership.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
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Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	940	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	340	http://fasb.org/us-gaap/role/ref/legacyRef
Section	25	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	1	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=99387790&loc=d3e43427-110978	http://fasb.org/us-gaap/role/ref/legacyRef
Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	235	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	10	http://fasb.org/us-gaap/role/ref/legacyRef
Section	50	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	3	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790	http://fasb.org/us-gaap/role/ref/legacyRef