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cm:Concept: us-gaap:FinancialInstrumentsSoldNotYetPurchasedDerivativesAndOtherContracts
Standard label: Financial Instruments Sold, Not yet Purchased, Derivatives and Other Contracts
Name: us-gaap:FinancialInstrumentsSoldNotYetPurchasedDerivativesAndOtherContracts
Documentation: Fair value of obligations arising from derivatives and other contracts sold short.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:FinancialInstrumentsSoldNotYetPurchasedDerivativesAndOtherContracts

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Labels
Label Role Language
Financial Instruments Sold, Not yet Purchased, Derivatives and Other Contracts http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 940 320 35 1 (b) http://fasb.org/us-gaap/role/ref/legacyRef 940