| Name | MarketRiskBenefitLineItems |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Market Risk Benefit [Line Items] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:MarketRiskBenefitRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:MarketRiskBenefitAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:MarketRiskBenefitTable | all | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAMarketRiskBenefitTable | |
us-gaap:MarketRiskBenefitRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAMarketRiskBenefitTable | |
us-gaap:MarketRiskBenefitAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAMarketRiskBenefitTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:MarketRiskBenefitTable | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA |