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cm:Level2TextBlock: us-gaap:PolicyholdersDividendPolicy
Standard label: Policyholders' Dividend [Policy Text Block]
Name: us-gaap:PolicyholdersDividendPolicy
Documentation: Disclosure of accounting policy for method of allocating earnings and dividends to policyholder. Includes, but is not limited to, policyholder in participating insurance contract.
Object type: cm:Level2TextBlock
Data type: Text Block (HTML) (nonnum:textBlockItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:PolicyholdersDividendPolicy

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Labels
Label Role Language
Policyholders' Dividend [Policy Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 944 20 50 2 http://www.xbrl.org/2003/role/disclosureRef 944
FASB Accounting Standards Codification 944 210 S99 1 (SX 210.7-03(14)(b)(2)) http://www.xbrl.org/2003/role/disclosureRef 944
FASB Accounting Standards Codification 944 50 50 1 (b) http://www.xbrl.org/2003/role/disclosureRef 944