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cm:Concept: us-gaap:FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue
Standard label: Financial Instruments, Owned, Principal Investments, at Fair Value
Name: us-gaap:FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue
Documentation: The fair value as of the balance sheet date of firm holdings in private equity, mezzanine, venture capital, merchant banking, real estate and special situations investments. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue

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Labels
Label Role Language
Financial Instruments, Owned, Principal Investments, at Fair Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 940 320 45 2 http://fasb.org/us-gaap/role/ref/legacyRef 940