| Standard label: | Short-duration Insurance Contracts, Claim Duration [Axis] |
| Name: | us-gaap:ShortdurationInsuranceContractsClaimDurationAxis |
| Documentation: | Information by duration of settlement period for claims for short-duration insurance contracts. |
| Object type: | cm:Axis |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ShortdurationInsuranceContractsClaimDurationAxis |
| Label | Role | Language |
| Short-duration Insurance Contracts, Claim Duration [Axis] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 40 55 9C (e) | http://www.xbrl.org/2003/role/exampleRef | 944 |