| Standard label: | Nature, Purpose and Effect of Reinsurance Transactions |
| Name: | us-gaap:NaturePurposeAndEffectOfReinsuranceTransactions |
| Documentation: | Description of the coverages that are ceded, explanation that the purpose of reinsurance is primarily to mitigate risk of loss under the policies ceded, and to explain in text the effects of reinsurance on the entity's financial statements and operations. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:NaturePurposeAndEffectOfReinsuranceTransactions |
| Label | Role | Language |
| Nature, Purpose and Effect of Reinsurance Transactions | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 20 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |
| FASB Accounting Standards Codification 944 210 S99 1 (SX 210.7-03.13(c)) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |
| FASB Accounting Standards Codification 944 605 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |