| Standard label: | Current Year Claims and Claims Adjustment Expense |
| Name: | us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense |
| Documentation: | Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement 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:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense |
| Label | Role | Language |
| Current Year Claims and Claims Adjustment Expense | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 40 50 3 (b) | http://www.xbrl.org/2003/role/disclosureRef | 944 |