| Standard label: | Internal Replacement Transaction, Alternative Application, Policy Election [true false] |
| Name: | us-gaap:InternalReplacementTransactionAlternativeApplicationPolicyElection |
| Documentation: | Indicates (true false) whether accounting policy was elected to apply alternative guidance for internal replacement transaction of long-duration contract issued by insurance entity. |
| Object type: | cm:Concept |
| Data type: | Yes/No (xbrli:booleanItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:InternalReplacementTransactionAlternativeApplicationPolicyElection |
| Label | Role | Language |
| Internal Replacement Transaction, Alternative Application, Policy Election [true false] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 30 50 4 | http://www.xbrl.org/2003/role/disclosureRef | 944 |