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cm:Concept: us-gaap:CashAndSecuritiesSegregatedUnderCommodityExchangeActDescription
Standard label: Cash and Securities Segregated under Commodity Exchange Act, Description (Deprecated 2019-01-31)
Name: us-gaap:CashAndSecuritiesSegregatedUnderCommodityExchangeActDescription
Documentation: Description of cash and securities deposited in a special reserve account for the exclusive benefit of customers pursuant to the Commodity Exchange Act.
Object type: cm:Concept
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:CashAndSecuritiesSegregatedUnderCommodityExchangeActDescription

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Labels
Label Role Language
Cash and Securities Segregated under Commodity Exchange Act, Description (Deprecated 2019-01-31) http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic