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cm:Concept: us-gaap:RealizedInvestmentGainsLosses
Standard label: Realized Investment Gains (Losses)
Name: us-gaap:RealizedInvestmentGainsLosses
Documentation: The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.
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:RealizedInvestmentGainsLosses

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Labels
Label Role Language
Realized Investment Gains (Losses) http://www.xbrl.org/2003/role/label en-US
Realized Investment Gains (Losses), Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 944 220 S99 1 (SX 210.7-04.3(a)) http://fasb.org/us-gaap/role/ref/legacyRef 944

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Roll Up Relations
Part Of Roll Up:
us-gaap:Revenues
us-gaap:GainLossOnInvestments