| Name | CededCreditRiskReinsurerDomain |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Ceded Credit Risk, Reinsurer [Domain] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Reinsurer or group of reinsurers for whom the entity has a concentration of credit risk. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2020-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Insurance: Concentration of Credit Risk Disclosures | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| inlineURI | http://xbrl.fasb.org/ix/?doc=../impdocs/CCR_TIG/inlinef2017icededcreditriskg.htm | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| pdfURI | https://www.fasb.org/insuranceconcentrationrisk_2017 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Financial Instruments-Recognition and Measurement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2016-01 | http://fasb.org/srt/role/changeNote/changeNote |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:CededCreditRiskAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:CededCreditRiskAxis | dimension-default | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceCededCreditRiskTable | |
us-gaap:CededCreditRiskAxis | dimension-domain | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceCededCreditRiskTable |