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Name	DisclosureTextBlockAbstract
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
Disclosure Text Block [Abstract]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Affiliate, Collateralized Security [Text Block] `srt:AffiliateCollateralizedSecurityTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Condensed Financial Statements [Text Block] `srt:CondensedFinancialStatementsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Distribution of Assets, Liabilities and Stockholders' Equity [Text Block] `srt:DistributionOfAssetsLiabilitiesAndStockholdersEquityTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Financing Receivable, Credit Ratio [Text Block] `srt:FinancingReceivableCreditRatioTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Financing Receivable, before Allowance for Credit Loss, Maturity [Text Block] `srt:FinancingReceivableBeforeAllowanceForCreditLossMaturityTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Guarantor and Issuer, Guaranteed Security [Text Block] `srt:GuarantorAndIssuerGuaranteedSecurityTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Interest Rate and Interest Differential Analysis [Text Block] `srt:InterestRateAndInterestDifferentialAnalysisTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] `srt:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Text Block] `srt:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Disclosure [Text Block] `srt:SupplementaryInsuranceInformationForInsuranceCompaniesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Text Block] `srt:SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Text Block] `srt:ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] `srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Text Block] `srt:MortgageLoansOnRealEstateByLoanDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Accounting Standards Update and Change in Accounting Principle [Text Block] `us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Accounting for Certain Loans and Debt Securities Acquired in Transfer Disclosure [Text Block] `us-gaap:AccountingForCertainLoansAndDebtSecuritiesAcquiredInTransferDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Accounts Payable and Accrued Liabilities Disclosure [Text Block] `us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] `us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Noncurrent [Text Block] `us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureNoncurrentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Accounts and Nontrade Receivable [Text Block] `us-gaap:AccountsAndNontradeReceivableTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Additional Financial Information Disclosure [Text Block] `us-gaap:AdditionalFinancialInformationDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Affordable Housing Program [Text Block] `us-gaap:AffordableHousingProgramTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Agriculture [Text Block] `us-gaap:AgricultureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Allowance for Credit Losses [Text Block] `us-gaap:AllowanceForCreditLossesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Asset Acquisition [Text Block] `us-gaap:AssetAcquisitionTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Asset Impairment Charges [Text Block] `us-gaap:AssetImpairmentChargesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Asset Retirement Obligation Disclosure [Text Block] `us-gaap:AssetRetirementObligationDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Banking and Thrift Disclosure [Text Block] `us-gaap:BankingAndThriftDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Basis of Accounting [Text Block] `us-gaap:BasisOfAccounting`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Basis of Presentation and Significant Accounting Policies [Text Block] `us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Brokers and Dealers Disclosure [Text Block] `us-gaap:BrokersAndDealersDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Business Acquisition, Integration, Restructuring and Other Related Costs [Text Block] `us-gaap:BusinessAcquisitionIntegrationRestructuringAndOtherRelatedCostsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Business Combination Disclosure [Text Block] `us-gaap:BusinessCombinationDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Business Description and Accounting Policies [Text Block] `us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Business Description and Basis of Presentation [Text Block] `us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Business Insurance Recoveries [Text Block] `us-gaap:BusinessInsuranceRecoveriesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Business and Contractual Arrangements for Prepaid Health Care Service Providers [Text Block] `us-gaap:BusinessAndContractualArrangementsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Capital Leases in Financial Statements of Lessee Disclosure [Text Block] `us-gaap:CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Capital Leases in Financial Statements of Lessor Disclosure [Text Block] `us-gaap:CapitalLeasesInFinancialStatementsOfLessorDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Capital Requirements on Trust Assets [Text Block] `us-gaap:CapitalRequirementsOnTrustAssetsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Cash Flow, Supplemental Disclosures [Text Block] `us-gaap:CashFlowSupplementalDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Cash and Cash Equivalents Disclosure [Text Block] `us-gaap:CashAndCashEquivalentsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Cash, Cash Equivalents, and Marketable Securities [Text Block] `us-gaap:CashCashEquivalentsAndMarketableSecuritiesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Cash, Cash Equivalents, and Short-term Investments [Text Block] `us-gaap:CashCashEquivalentsAndShortTermInvestmentsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Change in Accounting Estimate [Text Block] `us-gaap:ChangeInAccountingEstimateTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Change in Reporting Entity [Text Block] `us-gaap:ChangeInReportingEntityTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Closed Block Disclosure [Text Block] `us-gaap:ClosedBlockDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Collaborative Arrangement Disclosure [Text Block] `us-gaap:CollaborativeArrangementDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Commitments Contingencies and Guarantees [Text Block] `us-gaap:CommitmentsContingenciesAndGuaranteesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Commitments Disclosure [Text Block] `us-gaap:CommitmentsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Commitments and Contingencies Disclosure [Text Block] `us-gaap:CommitmentsAndContingenciesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Compensation Related Costs, General [Text Block] `us-gaap:CompensationRelatedCostsGeneralTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Compensation and Employee Benefit Plans [Text Block] `us-gaap:CompensationAndEmployeeBenefitPlansTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Compensation and Employee Benefit Plans, Other than Share-based Compensation [Text Block] `us-gaap:CompensationAndEmployeeBenefitPlansOtherThanShareBasedCompensationTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Comprehensive Income (Loss) Note [Text Block] `us-gaap:ComprehensiveIncomeNoteTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Concentration Risk Disclosure [Text Block] `us-gaap:ConcentrationRiskDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Condensed Financial Information of Parent Company Only Disclosure [Text Block] `us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Contingencies Disclosure [Text Block] `us-gaap:LossContingencyDisclosures`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Contract Indexed to Issuer's Equity [Text Block] `us-gaap:OptionIndexedToIssuersEquityDescriptionTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Credit Loss, Financial Instrument [Text Block] `us-gaap:CreditLossFinancialInstrumentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Debt Disclosure [Text Block] `us-gaap:DebtDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Debt Instrument Redemption [Table Text Block] `us-gaap:DebtInstrumentRedemptionTableTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Debt and Capital Leases Disclosures [Text Block] `us-gaap:DebtAndCapitalLeasesDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Deferred Policy Acquisition Costs [Text Block] `us-gaap:DeferredPolicyAcquisitionCostsTextBlock1`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Deferred Revenue Disclosure [Text Block] `us-gaap:DeferredRevenueDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Defined Benefit Plan [Text Block] `us-gaap:DefinedBenefitPlanTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Defined Contribution Plan [Text Block] `us-gaap:DefinedContributionPlanTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Deposit Liabilities Disclosures [Text Block] `us-gaap:DepositLiabilitiesDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Derivative Instruments and Hedging Activities Disclosure [Text Block] `us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Derivatives and Fair Value [Text Block] `us-gaap:DerivativesAndFairValueTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Disclosure of Reclassification Amount [Text Block] `us-gaap:DisclosureOfReclassificationAmountTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Discussion of Hybrid Instruments and Embedded Derivatives [Text Block] `us-gaap:DiscussionOfHybridInstrumentsAndEmbeddedDerivativesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] `us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Dividend Payment Restrictions [Text Block] `us-gaap:ScheduleOfDividendPaymentRestrictionsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Due to and from Broker-Dealers and Clearing Organizations Disclosure [Text Block] `us-gaap:DueToAndFromBrokerDealersAndClearingOrganizationsDisclosure`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Earnings Per Share [Text Block] `us-gaap:EarningsPerShareTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Entertainment [Text Block] `us-gaap:EntertainmentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Environmental Loss Contingency Disclosure [Text Block] `us-gaap:EnvironmentalLossContingencyDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Equity Method Investments and Joint Ventures Disclosure [Text Block] `us-gaap:EquityMethodInvestmentsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Error Correction [Text Block] `us-gaap:ErrorCorrectionTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Fair Value Disclosures [Text Block] `us-gaap:FairValueDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] `us-gaap:FairValueMeasurementInputsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Fair Value, Option [Text Block] `us-gaap:FairValueOptionTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Federal Home Loan Bank Advances, Disclosure [Text Block] `us-gaap:FederalHomeLoanBankAdvancesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Federal Home Loan Bank, Advances [Text Block] `us-gaap:FederalHomeLoanBankAdvancesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Financial Guarantee Insurance Contracts [Text Block] `us-gaap:FinancialGuaranteeInsuranceContractsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Financial Instruments Disclosure [Text Block] `us-gaap:FinancialInstrumentsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Financing Receivables [Text Block] `us-gaap:FinancingReceivablesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Foreign Currency Disclosure [Text Block] `us-gaap:ForeignCurrencyDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Franchisors [Text Block] `us-gaap:FranchisorsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Full Cost Method of Accounting for Investments in Oil and Gas Properties Disclosure [Text Block] `us-gaap:FullCostMethodOfAccountingForInvestmentsInOilAndGasPropertiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Goodwill Disclosure [Text Block] `us-gaap:GoodwillDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Goodwill and Intangible Assets Disclosure [Text Block] `us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Guarantees [Text Block] `us-gaap:GuaranteesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Income Tax Disclosure [Text Block] `us-gaap:IncomeTaxDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Insurance Contract, Acquisition Cost [Text Block] `us-gaap:InsuranceContractAcquisitionCostTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Insurance Disclosure [Text Block] `us-gaap:InsuranceDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Intangible Assets Disclosure [Text Block] `us-gaap:IntangibleAssetsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Interest Income and Interest Expense Disclosure [Text Block] `us-gaap:InterestIncomeAndInterestExpenseDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Interest and Other Income [Text Block] `us-gaap:InterestAndOtherIncomeTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Inventory Disclosure [Text Block] `us-gaap:InventoryDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investment Company, Financial Highlights [Text Block] `us-gaap:InvestmentCompanyFinancialHighlightsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investment Holdings [Text Block] `us-gaap:InvestmentHoldingsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investment Holdings, Schedule of Investments [Text Block] `us-gaap:InvestmentHoldingsScheduleOfInvestmentsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investment [Text Block] `us-gaap:InvestmentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investments and Other Noncurrent Assets [Text Block] `us-gaap:InvestmentsAndOtherNoncurrentAssetsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investments in Debt and Equity Instruments, Cash and Cash Equivalents, Unrealized and Realized Gains (Losses) [Text Block] `us-gaap:InvestmentsInDebtAndEquityInstrumentsCashAndCashEquivalentsUnrealizedAndRealizedGainsLossesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] `us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Investments in and Advances to Affiliates, Schedule of Investments [Text Block] `us-gaap:InvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Leases of Lessee Disclosure [Text Block] `us-gaap:LeasesOfLesseeDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Leases of Lessor Disclosure [Text Block] `us-gaap:LeasesOfLessorDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Legal Matters and Contingencies [Text Block] `us-gaap:LegalMattersAndContingenciesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Lessee, Finance Leases [Text Block] `us-gaap:LesseeFinanceLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Lessee, Operating Leases [Text Block] `us-gaap:LesseeOperatingLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Lessor, Direct Financing Leases [Text Block] `us-gaap:LessorDirectFinancingLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Lessor, Operating Leases [Text Block] `us-gaap:OperatingLeasesOfLessorDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Lessor, Sales-type Leases [Text Block] `us-gaap:LessorSalesTypeLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] `us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Life Insurance, Corporate or Bank Owned [Text Block] `us-gaap:LifeInsuranceCorporateOrBankOwnedTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Life Settlement Contracts, Disclosure [Text Block] `us-gaap:LifeSettlementContractsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Liquidation Basis of Accounting [Text Block] `us-gaap:LiquidationBasisOfAccountingTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] `us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Loans, Notes, Trade and Other Receivables, Excluding Allowance for Credit Losses [Text Block] `us-gaap:LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Long-Duration Contracts, Assumptions Underlying Guarantee Obligations [Text Block] `us-gaap:LongDurationContractsAssumptionsUnderlyingGuaranteeObligations`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Long-Duration Insurance Contracts Disclosure [Text Block] `us-gaap:LongDurationInsuranceContractsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Long-term Contracts or Programs Disclosure [Text Block] `us-gaap:LongTermContractsOrProgramsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Long-term Debt [Text Block] `us-gaap:LongTermDebtTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Malpractice Loss Contingency Disclosure [Text Block] `us-gaap:MalpracticeLossContingencyDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Members' Equity Notes Disclosure [Text Block] `us-gaap:MembersEquityNotesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Mergers, Acquisitions and Dispositions Disclosures [Text Block] `us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Mineral Industries Disclosures [Text Block] `us-gaap:MineralIndustriesDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Minimum Guarantees, Net Amount at Risk Disclosure [Text Block] `us-gaap:MinimumGuaranteesNetAmountAtRiskDisclosure`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Mortgage Notes Payable Disclosure [Text Block] `us-gaap:MortgageNotesPayableDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Multiemployer Plan [Text Block] `us-gaap:MultiemployerPlanTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
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Oil and Gas Exploration and Production Industries Disclosures [Text Block] `us-gaap:OilAndGasExplorationAndProductionIndustriesDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Oil and Gas Properties [Text Block] `us-gaap:OilAndGasPropertiesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] `us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] `us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] `us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
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Other Income and Other Expense Disclosure [Text Block] `us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Other Liabilities Disclosure [Text Block] `us-gaap:OtherLiabilitiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
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Partners' Capital Notes Disclosure [Text Block] `us-gaap:PartnersCapitalNotesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Postemployment Benefits Disclosure [Text Block] `us-gaap:PostemploymentBenefitsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Preferred Stock [Text Block] `us-gaap:PreferredStockTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Premiums Receivable Note [Text Block] `us-gaap:PremiumsReceivableNote`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Present Value of Future Insurance Profits [Text Block] `us-gaap:PresentValueOfFutureInsuranceProfitsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Product Warranty Disclosure [Text Block] `us-gaap:ProductWarrantyDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Property, Plant and Equipment Disclosure [Text Block] `us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Property, Plant, and Equipment and Intangible Assets [Text Block] `us-gaap:PropertyPlantAndEquipmentAndIntangibleAssetsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Public Utilities Disclosure [Text Block] `us-gaap:PublicUtilitiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Purchase and Supply Commitment, Excluding Long-term Commitment [Text Block] `us-gaap:SignificantPurchaseAndSupplyCommitmentExcludingLongtermCommitmentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Quarterly Financial Information [Text Block] `us-gaap:QuarterlyFinancialInformationTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Real Estate Disclosure [Text Block] `us-gaap:RealEstateDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Real Estate Owned [Text Block] `us-gaap:RealEstateOwnedTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Reclassifications [Text Block] `us-gaap:Reclassifications`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Regulatory Capital Requirements for Mortgage Companies Disclosure [Text Block] `us-gaap:RegulatoryCapitalRequirementsForMortgageCompaniesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Regulatory Capital Requirements under Banking Regulations [Text Block] `us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Reinsurance [Text Block] `us-gaap:ReinsuranceTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Related Party Transactions Disclosure [Text Block] `us-gaap:RelatedPartyTransactionsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Reorganization under Chapter 11 of US Bankruptcy Code Disclosure [Text Block] `us-gaap:ReorganizationUnderChapter11OfUSBankruptcyCodeDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] `us-gaap:RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Research, Development, and Computer Software Disclosure [Text Block] `us-gaap:ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Restricted Assets Disclosure [Text Block] `us-gaap:RestrictedAssetsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Restrictions on Dividends, Loans and Advances [Text Block] `us-gaap:RestrictionsOnDividendsLoansAndAdvancesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Restructuring and Related Activities Disclosure [Text Block] `us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Restructuring, Impairment, and Other Activities Disclosure [Text Block] `us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Retail Land Sales, Description [Text Block] `us-gaap:RetailLandSalesDescriptionTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Retirement Benefits [Text Block] `us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Revenue from Contract with Customer [Text Block] `us-gaap:RevenueFromContractWithCustomerTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Sale Leaseback Transactions [Text Block] `us-gaap:SaleLeasebackTransactionDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Schedule of Regulatory Assets and Liabilities [Text Block] `us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Schedule of Regulatory Liabilities [Table Text Block] `us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Segment Reporting Disclosure [Text Block] `us-gaap:SegmentReportingDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Separate Account [Text Block] `us-gaap:SeparateAccountTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Share-based Payment Arrangement [Text Block] `us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Shareholders' Equity and Share-based Payments [Text Block] `us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Short-Duration Insurance and Deposit Contracts [Text Block] `us-gaap:ShortDurationInsuranceAndDepositContractsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Short-term Debt [Text Block] `us-gaap:ShortTermDebtTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Significant Accounting Policies [Text Block] `us-gaap:SignificantAccountingPoliciesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Stockholders' Equity Note Disclosure [Text Block] `us-gaap:StockholdersEquityNoteDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Subordinated Borrowings Disclosure [Text Block] `us-gaap:SubordinatedBorrowingsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Subsequent Event, Pro Forma Business Combinations or Disposals [Text Block] `us-gaap:SubsequentEventProFormaBusinessCombinations`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Subsequent Events [Text Block] `us-gaap:SubsequentEventsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Substantial Doubt about Going Concern [Text Block] `us-gaap:SubstantialDoubtAboutGoingConcernTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Summary of Investment Holdings, Schedule of Investments [Text Block] `us-gaap:SummaryOfInvestmentHoldingsScheduleOfInvestmentsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Supplemental Balance Sheet Disclosures [Text Block] `us-gaap:SupplementalBalanceSheetDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Suspended Well Costs Disclosure [Text Block] `us-gaap:SuspendedWellCostsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Transfers and Servicing of Financial Assets [Text Block] `us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Treasury Stock [Text Block] `us-gaap:TreasuryStockTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Unusual or Infrequent Items, or Both, Disclosure [Text Block] `us-gaap:UnusualOrInfrequentItemsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Variable Interest Entity Disclosure [Text Block] `us-gaap:VariableInterestEntityDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Derivatives and Fair Value [Text Block] `us-gaap:DerivativesAndFairValueTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities
Derivatives and Fair Value [Text Block] `us-gaap:DerivativesAndFairValueTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Lessee, Finance Leases [Text Block] `us-gaap:LesseeFinanceLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Leases842
Lessee, Operating Leases [Text Block] `us-gaap:LesseeOperatingLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Leases842
Lessor, Sales-type Leases [Text Block] `us-gaap:LessorSalesTypeLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Leases842
Lessor, Operating Leases [Text Block] `us-gaap:OperatingLeasesOfLessorDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Leases842
Lessor, Direct Financing Leases [Text Block] `us-gaap:LessorDirectFinancingLeasesTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/Leases842

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Name	Relation Type	Role
Text Block [Abstract] `us-gaap:TextBlockAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
Derivative Instruments and Hedging Activities Disclosure [Abstract] `us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities
Fair Value Disclosures [Abstract] `us-gaap:FairValueDisclosuresAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Leases [Abstract] `us-gaap:LeasesAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/Leases842