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cm:Concept: us-gaap:PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue
Standard label: Pledged Assets Separately Reported, Securities Pledged for Other Debt Obligations, at Fair Value
Name: us-gaap:PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue
Documentation: The fair value, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of other debt obligations, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.
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:PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue

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Labels
Label Role Language
Pledged Assets Separately Reported, Securities Pledged for Other Debt Obligations, at Fair Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 860 30 45 1 http://fasb.org/us-gaap/role/ref/legacyRef 860