| Standard label: | Participating Insurance, Additional Income Allocated |
| Name: | us-gaap:ParticipatingPoliciesAdditionalIncomeAllocated |
| Documentation: | Amount of additional income allocated to policy holders whose contracts entitle them to a portion of the entity's earnings or surplus, paid through dividends. |
| 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:ParticipatingPoliciesAdditionalIncomeAllocated |
| Label | Role | Language |
| Participating Insurance, Additional Income Allocated | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 50 50 1 (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |