| Standard label: | Closed Block Liabilities, Other Policyholder Funds |
| Name: | us-gaap:ClosedBlockLiabilitiesOtherPolicyholderFunds |
| Documentation: | Amount of closed block policyholder funds held, which are refundable. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ClosedBlockLiabilitiesOtherPolicyholderFunds |
| Label | Role | Language |
| Closed Block Liabilities, Other Policyholder Funds | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 805 50 3 (b) | http://www.xbrl.org/2009/role/commonPracticeRef | 944 |