| Standard label: | Liability for Future Policy Benefits, Interest Rate |
| Name: | us-gaap:LiabilityForFuturePolicyBenefitsInterestRate |
| Documentation: | Rate of interest used to calculate the liability for future policy benefits. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LiabilityForFuturePolicyBenefitsInterestRate |
| Label | Role | Language |
| Liability for Future Policy Benefits, Interest Rate | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 210 S99 1 (SX 210.7-03.13(b)) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |
| FASB Accounting Standards Codification 944 40 50 6 | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |