| Name | FinancialGuaranteeInsuranceContractsClaimLiabilityAbstract |
|---|---|
| Namespace | http://fasb.org/us-gaap/2022 |
| 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 |
|---|---|---|---|
| Financial Guarantee Insurance Contracts, Claim Liability [Line Items] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeEffectOfChangeInDiscountRate | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeAccretionOfDiscount | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeTiming | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeLikelihoodOfDefault | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityTable | all | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeEffectOfChangeInDiscountRate | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeAccretionOfDiscount | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeTiming | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable | |
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeLikelihoodOfDefault | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable | |
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityTable | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance |