Residential Mortgage Backed Securities [Member]

NameResidentialMortgageBackedSecuritiesMember
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typenonnum:domainItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
Residential Mortgage Backed Securities [Member]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link
Securities collateralized by residential real estate mortgage loans.en-UShttp://www.xbrl.org/2003/role/documentationhttp://www.xbrl.org/2003/role/link

References

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TaxonomyVersion2018http://fasb.org/srt/role/changeNote/changeNote
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ModifiedReferencestruehttp://fasb.org/srt/role/changeNote/changeNote
SourceNameFinancial Instruments-Credit Losseshttp://fasb.org/srt/role/changeNote/changeNote
TaxonomyVersion2019http://fasb.org/srt/role/changeNote/changeNote
ChangeDate2018-09http://fasb.org/srt/role/changeNote/changeNote
ModifiedReferencestruehttp://fasb.org/srt/role/changeNote/changeNote
Source_ASU_Number2016-13http://fasb.org/srt/role/changeNote/changeNote
PublisherFASBhttp://www.xbrl.org/2009/role/commonPracticeRef
NameAccounting Standards Codificationhttp://www.xbrl.org/2009/role/commonPracticeRef
Topic715http://www.xbrl.org/2009/role/commonPracticeRef
SubTopic20http://www.xbrl.org/2009/role/commonPracticeRef
Section50http://www.xbrl.org/2009/role/commonPracticeRef
Paragraph1http://www.xbrl.org/2009/role/commonPracticeRef
Subparagraph(d)(ii)http://www.xbrl.org/2009/role/commonPracticeRef
URIhttp://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920http://www.xbrl.org/2009/role/commonPracticeRef
PublisherFASBhttp://www.xbrl.org/2009/role/commonPracticeRef
NameAccounting Standards Codificationhttp://www.xbrl.org/2009/role/commonPracticeRef
Topic320http://www.xbrl.org/2009/role/commonPracticeRef
SubTopic10http://www.xbrl.org/2009/role/commonPracticeRef
Section50http://www.xbrl.org/2009/role/commonPracticeRef
Paragraph1Bhttp://www.xbrl.org/2009/role/commonPracticeRef
URIhttp://asc.fasb.org/extlink&oid=121645371&loc=SL6283291-111563http://www.xbrl.org/2009/role/commonPracticeRef

Related Parent Concepts

NameRelation TypeRole
us-gaap:MortgageBackedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
us-gaap:MortgageBackedSecuritiesMember
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us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesEquitySecuritiesWithoutReadilyDeterminableFairValueTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesMarketableSecuritiesTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfGainLossOnInvestmentsTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfHeldToMaturitySecuritiesTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfTradingSecuritiesAndOtherTradingAssetsTable
us-gaap:CollateralizedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/Guarantees
us-gaap:CollateralizedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/GuaranteesScheduleOfGuaranteeObligationsTable
us-gaap:MortgageBackedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsDefinedBenefitPlanPlanAssetsAllocationTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsDefinedBenefitPlanPlanAssetsCategoryTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsDefinedBenefitPlanPlanAssetsLevel3ReconciliationTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable
us-gaap:CollateralizedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities
us-gaap:CollateralizedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesScheduleOfCreditDerivativesTable
us-gaap:MortgageBackedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:MortgageBackedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/CreditLosses
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesAvailableForSaleAllowanceForCreditLossTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityAllowanceForCreditLossTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityNonaccrualTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesBorrowedAllowanceForCreditLossTable
us-gaap:MortgageBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesPurchasedUnderAgreementsToResellAllowanceForCreditLossTable