 | us-gaap:MarketApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists |
 | us-gaap:IncomeApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists |
 | us-gaap:CostApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists |
 | us-gaap:ValuationTechniqueConsensusPricingModelMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FairValueMeasuresAndDisclosuresTmp02 |
 | us-gaap:ValuationTechniqueDiscountedCashFlowMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FairValueMeasuresAndDisclosuresTmp02 |
 | us-gaap:MarketApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FairValueMeasuresAndDisclosuresTmp02 |
 | us-gaap:ValuationTechniqueConsensusPricingModelMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FairValueMeasuresAndDisclosuresTmp02FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:ValuationTechniqueDiscountedCashFlowMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FairValueMeasuresAndDisclosuresTmp02FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:MarketApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FairValueMeasuresAndDisclosuresTmp02FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:MarketApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities |
 | us-gaap:IncomeApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities |
 | us-gaap:CostApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities |
 | us-gaap:MarketApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesScheduleOfCreditDerivativesTable |
 | us-gaap:IncomeApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesScheduleOfCreditDerivativesTable |
 | us-gaap:CostApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesScheduleOfCreditDerivativesTable |
 | us-gaap:MarketApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures |
 | us-gaap:IncomeApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures |
 | us-gaap:CostApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures |
 | us-gaap:MarketApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:IncomeApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:CostApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:MarketApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA |
 | us-gaap:IncomeApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA |
 | us-gaap:CostApproachValuationTechniqueMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA |
 | us-gaap:MarketApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:IncomeApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |
 | us-gaap:CostApproachValuationTechniqueMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable |