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cm:Concept: us-gaap:OwnshareLendingArrangementCounterpartyDefaultChangesInValueShares
Standard label: Own-share Lending Arrangement, Counterparty Default, Changes in Value, Shares
Name: us-gaap:OwnshareLendingArrangementCounterpartyDefaultChangesInValueShares
Documentation: This item represents, in periods subsequent to the period in which the entity concludes it is probable that the counterparty (share borrower) to a share-lending arrangement will default, the amount of change in the fair value of the entity's shares, associated with an own-share lending arrangement, recognized in earnings for the period.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:OwnshareLendingArrangementCounterpartyDefaultChangesInValueShares

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Labels
Label Role Language
Own-share Lending Arrangement, Counterparty Default, Changes in Value, Shares http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 470 20 50 2C http://fasb.org/us-gaap/role/ref/legacyRef 470