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cm:Concept: us-gaap:RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments
Standard label: Realized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments
Name: us-gaap:RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments
Documentation: This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity and any gains or losses realized during the period from the sale of investments accounted for under the cost method of accounting and/or investments that are separately or otherwise not categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments

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Labels
Label Role Language
Realized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments http://www.xbrl.org/2003/role/label en-US
Realized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments, Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic