| Standard label: | Deferred Policy Acquisition Costs, Impairment Loss |
| Name: | us-gaap:DeferredPolicyAcquisitionCostsImpairmentLoss |
| Documentation: | Amount of impairment loss for deferred policy acquisition costs. |
| 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:DeferredPolicyAcquisitionCostsImpairmentLoss |
| Label | Role | Language |
| Deferred Policy Acquisition Costs, Impairment Loss | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 30 | http://www.xbrl.org/2009/role/commonPracticeRef | 944 |