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cm:Concept: us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue
Standard label: Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value
Name: us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue
Documentation: Fair value amount of the specified investment category of assets maintained in separate accounts as of the balance sheet date.
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:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue

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Labels
Label Role Language
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 944 20 55 15 http://fasb.org/us-gaap/role/ref/legacyRef 944
FASB Accounting Standards Codification 944 80 50 1 (e) http://fasb.org/us-gaap/role/ref/legacyRef 944