Financial Guarantee Insurance Contracts, Risk Management Activities [Abstract]

NameFinancialGuaranteeInsuranceContractsRiskManagementActivitiesAbstract
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typexbrli:stringItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

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Financial Guarantee Insurance Contracts, Risk Management Activities [Abstract]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

NameRelation TypeRole
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesDescriptionOfCategories
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesPoliciesForPlacementInGrouping
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesMitigatingClaimLiabilitiesAbstract
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesDescriptionOfCategories
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesPoliciesForPlacementInGrouping
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable
us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesMitigatingClaimLiabilitiesAbstract
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceFinancialGuaranteeInsuranceContractsClaimLiabilityTable