| Standard label: | Ceded Premiums Payable |
| Name: | us-gaap:CededPremiumsPayable |
| Documentation: | The consideration due to the assuming enterprise as of the balance sheet date under the terms of the reinsurance contract in exchange for the right to receive reimbursement from such entity for covered claims and expenses. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CededPremiumsPayable |
| Label | Role | Language |
| Ceded Premiums Payable | 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(c)) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |