| Line | Label | Object Class | Period Type | Balance | Report ElementName | 
        
           | 1 | 460000 - Disclosure - Debt | [Network] | * | * | http://fasb.org/us-gaap/role/disclosure/Debt | 
        
           | 2 | Debt Disclosure [Abstract] | Abstract |  |  | us-gaap:DebtDisclosureAbstract | 
        
           | 3 | Debt Disclosure [Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:DebtDisclosureTextBlock | 
        
           | 4 | Short-term Debt [Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ShortTermDebtTextBlock | 
        
           | 5 | Short-term Debt, Description | Concept  (Text/String) | For Period |  | us-gaap:ShortTermDebtDescription | 
        
           | 6 | Schedule of Short-term Debt [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfShortTermDebtTextBlock | 
        
           | 7 | Schedule of Short-term Debt [Table] | Table |  |  | us-gaap:ScheduleOfShortTermDebtTable | 
        
           | 8 | Short-term Debt, Type [Axis] | Axis |  |  | us-gaap:ShortTermDebtTypeAxis | 
        
           | 9 | Short-term Debt, Type [Domain] | Member |  |  | us-gaap:ShortTermDebtTypeDomain | 
        
           | 10 | Notes Payable to Banks [Member] | Member |  |  | us-gaap:NotesPayableToBanksMember | 
        
           | 11 | Notes Payable, Other Payables [Member] | Member |  |  | us-gaap:NotesPayableOtherPayablesMember | 
        
           | 12 | Loans Payable [Member] | Member |  |  | us-gaap:LoansPayableMember | 
        
           | 13 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 14 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 15 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 16 | Letter of Credit [Member] | Member |  |  | us-gaap:LetterOfCreditMember | 
        
           | 17 | Warehouse Agreement Borrowings [Member] | Member |  |  | us-gaap:WarehouseAgreementBorrowingsMember | 
        
           | 18 | Convertible Debt [Member] | Member |  |  | us-gaap:ConvertibleDebtMember | 
        
           | 19 | Convertible Notes Payable [Member] | Member |  |  | us-gaap:ConvertibleNotesPayableMember | 
        
           | 20 | Exchangeable Debt [Member] | Member |  |  | us-gaap:ExchangeableDebtMember | 
        
           | 21 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 22 | Construction Loan Payable [Member] | Member |  |  | us-gaap:ConstructionLoanPayableMember | 
        
           | 23 | Bank Overdrafts [Member] | Member |  |  | us-gaap:BankOverdraftsMember | 
        
           | 24 | Bankers Acceptance [Member] | Member |  |  | us-gaap:BankersAcceptanceMember | 
        
           | 25 | Bridge Loan [Member] | Member |  |  | us-gaap:BridgeLoanMember | 
        
           | 26 | Product Financing Arrangement [Member] | Member |  |  | us-gaap:ProductFinancingArrangementMember | 
        
           | 27 | Federal Funds Purchased [Member] | Member |  |  | us-gaap:FederalFundsPurchasedMember | 
        
           | 28 | Securities Sold under Agreements to Repurchase [Member] | Member |  |  | us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseMember | 
        
           | 29 | Federal Home Loan Bank Advances [Member] | Member |  |  | us-gaap:FederalHomeLoanBankAdvancesMember | 
        
           | 30 | Federal Reserve Bank Advances [Member] | Member |  |  | us-gaap:FederalReserveBankAdvancesMember | 
        
           | 31 | Asset-backed Securities [Member] | Member |  |  | us-gaap:AssetBackedSecuritiesMember | 
        
           | 32 | Collateralized Mortgage Backed Securities [Member] | Member |  |  | us-gaap:MortgageBackedSecuritiesMember | 
        
           | 33 | Collateralized Mortgage Obligations [Member] | Member |  |  | us-gaap:CollateralizedMortgageObligationsMember | 
        
           | 34 | Debt Instrument [Axis] | Axis |  |  | us-gaap:DebtInstrumentAxis | 
        
           | 35 | Debt Instrument, Name [Domain] | Member |  |  | us-gaap:DebtInstrumentNameDomain | 
        
           | 36 | Short-term Debt [Line Items] | LineItems |  |  | us-gaap:ShortTermDebtLineItems | 
        
           | 37 | Short-term Debt, Lender | Concept  (Text/String) | For Period |  | us-gaap:ShortTermDebtLender | 
        
           | 38 | Short-term Debt, Terms | Concept  (Text/String) | For Period |  | us-gaap:ShortTermDebtTerms | 
        
           | 39 | Short-term Debt, Weighted Average Interest Rate | Concept  (Percent) | As Of |  | us-gaap:ShortTermDebtWeightedAverageInterestRate | 
        
           | 40 | Short-term Debt, Interest Rate Increase | Concept  (Percent) | For Period |  | us-gaap:ShortTermDebtInterestRateIncrease | 
        
           | 41 | Short-term Debt | Concept  (Monetary) | As Of | Credit | us-gaap:ShortTermBorrowings | 
        
           | 42 | Short-term Debt, Maximum Amount Outstanding During Period | Concept  (Monetary) | For Period | Credit | us-gaap:ShorttermDebtMaximumAmountOutstandingDuringPeriod | 
        
           | 43 | Short-term Debt, Maximum Month-end Outstanding Amount | Concept  (Monetary) | For Period | Credit | us-gaap:ShorttermDebtMaximumMonthendOutstandingAmount | 
        
           | 44 | Short-term Debt, Average Outstanding Amount | Concept  (Monetary) | For Period | Credit | us-gaap:ShorttermDebtAverageOutstandingAmount | 
        
           | 45 | Short-term Debt, Refinanced, Description | Concept  (Text/String) | For Period |  | us-gaap:ShortTermDebtRefinancedDescription | 
        
           | 46 | Short-term Debt, Refinanced, Amount | Concept  (Monetary) | For Period | Credit | us-gaap:ShortTermDebtRefinancedAmount | 
        
           | 47 | Short-term Debt, Debt Default [Abstract] | Abstract |  |  | us-gaap:DebtDefaultShorttermDebtAbstract | 
        
           | 48 | Debt Default, Short-term Debt, Description of Violation or Event of Default | Concept  (Text/String) | For Period |  | us-gaap:DebtDefaultShorttermDebtDescriptionOfViolationOrEventOfDefault | 
        
           | 49 | Debt Default, Short-term Debt, Description of Notice of Default | Concept  (Text/String) | For Period |  | us-gaap:DebtDefaultShorttermDebtDescriptionOfNoticeOfDefault | 
        
           | 50 | Debt Default, Short-term Debt, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:DebtDefaultShorttermDebtAmount | 
        
           | 51 | Debt, Current [Abstract] | Abstract |  |  | us-gaap:DebtCurrentAbstract | 
        
           | 52 | Short-term Debt | Concept  (Monetary) | As Of | Credit | us-gaap:ShortTermBorrowings | 
        
           | 53 | Long-term Debt and Capital Lease Obligations, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent | 
        
           | 54 | Debt, Current, Total | Concept  (Monetary) | As Of | Credit | us-gaap:DebtCurrent | 
        
           | 55 | Short-term Debt, Other Disclosures [Abstract] | Abstract |  |  | us-gaap:ShortTermDebtOtherDisclosuresAbstract | 
        
           | 56 | Short-term Debt, Percentage Bearing Fixed Interest Rate | Concept  (Percent) | As Of |  | us-gaap:ShortTermDebtPercentageBearingFixedInterestRate | 
        
           | 57 | Short-term Debt, Percentage Bearing Variable Interest Rate | Concept  (Percent) | As Of |  | us-gaap:ShortTermDebtPercentageBearingVariableInterestRate | 
        
           | 58 | Short-term Debt, Fair Value | Concept  (Monetary) | As Of | Credit | us-gaap:ShorttermDebtFairValue | 
        
           | 59 | Line of Credit Facility [Abstract] | Abstract |  |  | us-gaap:LineOfCreditFacilityAbstract | 
        
           | 60 | Schedule of Line of Credit Facilities [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock | 
        
           | 61 | Line of Credit Facility [Table] | Table |  |  | us-gaap:LineOfCreditFacilityTable | 
        
           | 62 | Lender Name [Axis] | Axis |  |  | us-gaap:LineOfCreditFacilityAxis | 
        
           | 63 | Line of Credit Facility, Lender [Domain] | Member |  |  | us-gaap:LineOfCreditFacilityLenderDomain | 
        
           | 64 | Credit Facility [Axis] | Axis |  |  | us-gaap:CreditFacilityAxis | 
        
           | 65 | Credit Facility [Domain] | Member |  |  | us-gaap:CreditFacilityDomain | 
        
           | 66 | Letter of Credit [Member] | Member |  |  | us-gaap:LetterOfCreditMember | 
        
           | 67 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 68 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 69 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 70 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 71 | Standby Letters of Credit [Member] | Member |  |  | us-gaap:StandbyLettersOfCreditMember | 
        
           | 72 | Secured Debt [Member] | Member |  |  | us-gaap:SecuredDebtMember | 
        
           | 73 | Revolving Credit Facility [Member] | Member |  |  | us-gaap:RevolvingCreditFacilityMember | 
        
           | 74 | Line of Credit Facility [Line Items] | LineItems |  |  | us-gaap:LineOfCreditFacilityLineItems | 
        
           | 75 | Long-term Line of Credit | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCredit | 
        
           | 76 | Line of Credit Facility, Maximum Amount Outstanding During Period | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod | 
        
           | 77 | Line of Credit Facility, Maximum Month-end Outstanding Amount | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityMaximumMonthendOutstandingAmount | 
        
           | 78 | Line of Credit Facility, Average Outstanding Amount | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityAverageOutstandingAmount | 
        
           | 79 | Line of Credit Facility, Rationale for Classification as Long-term Debt | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityRationaleForClassificationAsLongTermDebt | 
        
           | 80 | Line of Credit Facility, Affiliated Borrower | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityAffiliatedBorrower | 
        
           | 81 | Line of Credit Facility, Currency | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityCurrency | 
        
           | 82 | Line of Credit Facility, Description | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityDescription | 
        
           | 83 | Line of Credit Facility, Initiation Date | Concept  (Date) | For Period |  | us-gaap:LineOfCreditFacilityInitiationDate1 | 
        
           | 84 | Line of Credit Facility, Expiration Date | Concept  (Date) | For Period |  | us-gaap:LineOfCreditFacilityExpirationDate1 | 
        
           | 85 | Line of Credit Facility, Expiration Period | Concept  (xbrli:durationItemType) | For Period |  | us-gaap:LineOfCreditFacilityExpirationPeriod | 
        
           | 86 | Debt Instrument, Term | Concept  (xbrli:durationItemType) | For Period |  | us-gaap:DebtInstrumentTerm | 
        
           | 87 | Line of Credit Facility, Fair Value of Amount Outstanding | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding | 
        
           | 88 | Line of Credit Facility, Priority | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityPriority | 
        
           | 89 | Line of Credit Facility, Collateral | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityCollateral | 
        
           | 90 | Line of Credit Facility, Collateral Fees | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityCollateralFees | 
        
           | 91 | Line of Credit Facility, Collateral Fees, Amount | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityCollateralFeesAmount | 
        
           | 92 | Line of Credit Facility, Covenant Terms | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityCovenantTerms | 
        
           | 93 | Line of Credit Facility, Covenant Compliance | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityCovenantCompliance | 
        
           | 94 | Line of Credit Facility, Commitment Fee Description | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityCommitmentFeeDescription | 
        
           | 95 | Line of Credit Facility, Frequency of Commitment Fee Payment | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityFrequencyOfCommitmentFeePayment | 
        
           | 96 | Line of Credit Facility, Commitment Fee Amount | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityCommitmentFeeAmount | 
        
           | 97 | Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | Concept  (Percent) | For Period |  | us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage | 
        
           | 98 | Line of Credit Facility, Fair Value, Basis for Measurement | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityFairValueBasisForMeasurement | 
        
           | 99 | Line of Credit Facility, Borrowing Capacity, Description | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityBorrowingCapacityDescription | 
        
           | 100 | Line of Credit Facility, Maximum Borrowing Capacity | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity | 
        
           | 101 | Line of Credit Facility, Current Borrowing Capacity | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity | 
        
           | 102 | Line of Credit Facility, Remaining Borrowing Capacity | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity | 
        
           | 103 | Line of Credit Facility, Capacity Available for Trade Purchases | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCreditFacilityCapacityAvailableForTradePurchases | 
        
           | 104 | Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases | 
        
           | 105 | Line of Credit Facility, Interest Rate Description | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityInterestRateDescription | 
        
           | 106 | Line of Credit Facility, Interest Rate at Period End | Concept  (Percent) | As Of |  | us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd | 
        
           | 107 | Line of Credit Facility, Interest Rate During Period | Concept  (Percent) | For Period |  | us-gaap:LineOfCreditFacilityInterestRateDuringPeriod | 
        
           | 108 | Line of Credit Facility, Commitment Fee Percentage | Concept  (Percent) | For Period |  | us-gaap:LineOfCreditFacilityCommitmentFeePercentage | 
        
           | 109 | Line of Credit Facility, Frequency of Payment and Payment Terms | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms | 
        
           | 110 | Line of Credit Facility, Frequency of Payments | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityFrequencyOfPayments | 
        
           | 111 | Line of Credit Facility, Periodic Payment | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityPeriodicPayment | 
        
           | 112 | Line of Credit Facility, Periodic Payment, Interest | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityPeriodicPaymentInterest | 
        
           | 113 | Line of Credit Facility, Periodic Payment, Principal | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityPeriodicPaymentPrincipal | 
        
           | 114 | Line of Credit Facility, Date of First Required Payment | Concept  (Date) | For Period |  | us-gaap:LineOfCreditFacilityDateOfFirstRequiredPayment1 | 
        
           | 115 | Line of Credit Facility, Annual Principal Payment | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityAnnualPrincipalPayment | 
        
           | 116 | Line of Credit Facility, Increase (Decrease) for Period, Description | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodDescription | 
        
           | 117 | Line of Credit Facility, Increase (Decrease), Net [Abstract] | Abstract |  |  | us-gaap:LineOfCreditFacilityIncreaseDecreaseNetAbstract | 
        
           | 118 | Line of Credit Facility, Increase, Accrued Interest | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityIncreaseAccruedInterest | 
        
           | 119 | Proceeds from Lines of Credit | Concept  (Monetary) | For Period | Debit | us-gaap:ProceedsFromLinesOfCredit | 
        
           | 120 | Repayments of Lines of Credit | Concept  (Monetary) | For Period | Credit | us-gaap:RepaymentsOfLinesOfCredit | 
        
           | 121 | Line of Credit Facility, Decrease, Forgiveness | Concept  (Monetary) | For Period | Debit | us-gaap:LineOfCreditFacilityDecreaseForgiveness1 | 
        
           | 122 | Line of Credit Facility, Increase (Decrease), Other, Net | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityIncreaseDecreaseOtherNet | 
        
           | 123 | Line of Credit Facility, Increase (Decrease), Net, Total | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet | 
        
           | 124 | Line of Credit Facility, Asset Restrictions | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityAssetRestrictions | 
        
           | 125 | Line of Credit Facility, Dividend Restrictions | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityDividendRestrictions | 
        
           | 126 | Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description | Concept  (Text/String) | For Period |  | us-gaap:LineOfCreditFacilityRevolvingCreditConversionToTermLoanDescription | 
        
           | 127 | Long-term Debt [Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:LongTermDebtTextBlock | 
        
           | 128 | Long-term Debt, Description | Concept  (Text/String) | For Period |  | us-gaap:LongTermDebtDescription | 
        
           | 129 | Long-term Debt, by Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongTermDebtByCurrentAndNoncurrentAbstract | 
        
           | 130 | Long-term Debt, Current Maturities [Abstract] | Abstract |  |  | us-gaap:LongTermDebtCurrentAbstract | 
        
           | 131 | Line of Credit, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LinesOfCreditCurrent | 
        
           | 132 | Secured Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SecuredDebtCurrent | 
        
           | 133 | Unsecured Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:UnsecuredDebtCurrent | 
        
           | 134 | Convertible Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleDebtCurrent | 
        
           | 135 | Subordinated Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SubordinatedDebtCurrent | 
        
           | 136 | Convertible Subordinated Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleSubordinatedDebtCurrent | 
        
           | 137 | Long-term Commercial Paper, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermCommercialPaperCurrent | 
        
           | 138 | Long-term Construction Loan, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermConstructionLoanCurrent | 
        
           | 139 | Long-term Transition Bond, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermTransitionBondCurrent | 
        
           | 140 | Long-term Pollution Control Bond, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermPollutionControlBondCurrent | 
        
           | 141 | Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Current | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustCurrent | 
        
           | 142 | Notes and Loans Payable, Current [Abstract] | Abstract |  |  | us-gaap:NotesAndLoansPayableCurrentAbstract | 
        
           | 143 | Notes Payable, Current [Abstract] | Abstract |  |  | us-gaap:NotesPayableCurrentAbstract | 
        
           | 144 | Medium-term Notes, Current | Concept  (Monetary) | As Of | Credit | us-gaap:MediumtermNotesCurrent | 
        
           | 145 | Convertible Notes Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleNotesPayableCurrent | 
        
           | 146 | Notes Payable to Bank, Current | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableToBankCurrent | 
        
           | 147 | Senior Notes, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SeniorNotesCurrent | 
        
           | 148 | Junior Subordinated Notes, Current | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedNotesCurrent | 
        
           | 149 | Other Notes Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:OtherNotesPayableCurrent | 
        
           | 150 | Notes Payable, Current, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableCurrent | 
        
           | 151 | Loans Payable, Current [Abstract] | Abstract |  |  | us-gaap:LoansPayableCurrentAbstract | 
        
           | 152 | Loans Payable to Bank, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayableToBankCurrent | 
        
           | 153 | Other Loans Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLoansPayableCurrent | 
        
           | 154 | Loans Payable, Current, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayableCurrent | 
        
           | 155 | Notes and Loans Payable, Current, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesAndLoansPayableCurrent | 
        
           | 156 | Special Assessment Bond, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SpecialAssessmentBondCurrent | 
        
           | 157 | Long-term Federal Home Loan Bank Advances, Current | Concept  (Monetary) | As Of | Credit | us-gaap:FederalHomeLoanBankAdvancesCurrent | 
        
           | 158 | Other Long-term Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermDebtCurrent | 
        
           | 159 | Long-term Debt, Current Maturities, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtCurrent | 
        
           | 160 | Long-term Debt, Excluding Current Maturities [Abstract] | Abstract |  |  | us-gaap:LongTermDebtNoncurrentAbstract | 
        
           | 161 | Long-term Line of Credit, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermLineOfCredit | 
        
           | 162 | Secured Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SecuredLongTermDebt | 
        
           | 163 | Unsecured Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:UnsecuredLongTermDebt | 
        
           | 164 | Convertible Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleDebtNoncurrent | 
        
           | 165 | Subordinated Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SubordinatedLongTermDebt | 
        
           | 166 | Convertible Subordinated Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleSubordinatedDebtNoncurrent | 
        
           | 167 | Long-term Commercial Paper, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:CommercialPaperNoncurrent | 
        
           | 168 | Long-term Construction Loan, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConstructionLoanNoncurrent | 
        
           | 169 | Long-term Transition Bond, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermTransitionBond | 
        
           | 170 | Long-term Pollution Control Bond, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermPollutionControlBond | 
        
           | 171 | Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustNoncurrent | 
        
           | 172 | Notes and Loans, Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongTermNotesAndLoansAbstract | 
        
           | 173 | Notes Payable, Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongTermNotesPayableAbstract | 
        
           | 174 | Medium-term Notes, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:MediumtermNotesNoncurrent | 
        
           | 175 | Junior Subordinated Notes, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedLongTermNotes | 
        
           | 176 | Senior Notes, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SeniorLongTermNotes | 
        
           | 177 | Convertible Notes Payable, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleLongTermNotesPayable | 
        
           | 178 | Notes Payable to Bank, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableToBankNoncurrent | 
        
           | 179 | Other Notes Payable, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermNotesPayable | 
        
           | 180 | Notes Payable, Noncurrent, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermNotesPayable | 
        
           | 181 | Loans Payable, Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongTermLoansPayableAbstract | 
        
           | 182 | Loans Payable to Bank, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermLoansFromBank | 
        
           | 183 | Other Loans Payable, Long-term, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLoansPayableLongTerm | 
        
           | 184 | Loans Payable, Noncurrent, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermLoansPayable | 
        
           | 185 | Notes and Loans, Noncurrent, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermNotesAndLoans | 
        
           | 186 | Special Assessment Bond, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SpecialAssessmentBondNoncurrent | 
        
           | 187 | Long-term Federal Home Loan Bank Advances, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermFederalHomeLoanBankAdvancesNoncurrent | 
        
           | 188 | Other Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermDebtNoncurrent | 
        
           | 189 | Long-term Debt, Excluding Current Maturities, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtNoncurrent | 
        
           | 190 | Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 191 | Long-term Debt, by Type Alternative [Abstract] | Abstract |  |  | us-gaap:LongTermDebtByComponentsAlternativeAbstract | 
        
           | 192 | Long-term Debt, by Type, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract | 
        
           | 193 | Long-term Line of Credit [Abstract] | Abstract |  |  | us-gaap:LongtermLineOfCreditCurrentAndNoncurrentAbstract | 
        
           | 194 | Line of Credit, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LinesOfCreditCurrent | 
        
           | 195 | Long-term Line of Credit, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermLineOfCredit | 
        
           | 196 | Long-term Line of Credit, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LineOfCredit | 
        
           | 197 | Line of Credit Facility, Maximum Amount Outstanding During Period | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod | 
        
           | 198 | Line of Credit Facility, Maximum Month-end Outstanding Amount | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityMaximumMonthendOutstandingAmount | 
        
           | 199 | Line of Credit Facility, Average Outstanding Amount | Concept  (Monetary) | For Period | Credit | us-gaap:LineOfCreditFacilityAverageOutstandingAmount | 
        
           | 200 | Secured Debt [Abstract] | Abstract |  |  | us-gaap:SecuredLongtermDebtCurrentAndNoncurrentAbstract | 
        
           | 201 | Secured Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SecuredDebtCurrent | 
        
           | 202 | Secured Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SecuredLongTermDebt | 
        
           | 203 | Secured Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:SecuredDebt | 
        
           | 204 | Unsecured Debt [Abstract] | Abstract |  |  | us-gaap:UnsecuredLongtermDebtCurrentAndNoncurrentAbstract | 
        
           | 205 | Unsecured Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:UnsecuredDebtCurrent | 
        
           | 206 | Unsecured Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:UnsecuredLongTermDebt | 
        
           | 207 | Unsecured Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:UnsecuredDebt | 
        
           | 208 | Convertible Debt [Abstract] | Abstract |  |  | us-gaap:LongtermConvertibleDebtCurrentAndNoncurrentAbstract | 
        
           | 209 | Convertible Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleDebtCurrent | 
        
           | 210 | Convertible Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleDebtNoncurrent | 
        
           | 211 | Convertible Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleDebt | 
        
           | 212 | Subordinated Debt [Abstract] | Abstract |  |  | us-gaap:SubordinatedLongtermDebtCurrentAndNoncurrentAbstract | 
        
           | 213 | Subordinated Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SubordinatedDebtCurrent | 
        
           | 214 | Subordinated Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SubordinatedLongTermDebt | 
        
           | 215 | Subordinated Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:SubordinatedDebt | 
        
           | 216 | Convertible Subordinated Debt [Abstract] | Abstract |  |  | us-gaap:ConvertibleSubordinatedDebtCurrentAndNoncurrentAbstract | 
        
           | 217 | Convertible Subordinated Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleSubordinatedDebtCurrent | 
        
           | 218 | Convertible Subordinated Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleSubordinatedDebtNoncurrent | 
        
           | 219 | Convertible Subordinated Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleSubordinatedDebt | 
        
           | 220 | Long-term Commercial Paper [Abstract] | Abstract |  |  | us-gaap:LongtermCommercialPaperCurrentAndNoncurrentAbstract | 
        
           | 221 | Long-term Commercial Paper, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermCommercialPaperCurrent | 
        
           | 222 | Long-term Commercial Paper, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:CommercialPaperNoncurrent | 
        
           | 223 | Long-term Commercial Paper, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermCommercialPaperCurrentAndNoncurrent | 
        
           | 224 | Long-term Construction Loan [Abstract] | Abstract |  |  | us-gaap:LongtermConstructionLoanCurrentAndNoncurrentAbstract | 
        
           | 225 | Long-term Construction Loan, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermConstructionLoanCurrent | 
        
           | 226 | Long-term Construction Loan, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConstructionLoanNoncurrent | 
        
           | 227 | Long-term Construction Loan, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermConstructionLoanCurrentAndNoncurrent | 
        
           | 228 | Long-term Transition Bond [Abstract] | Abstract |  |  | us-gaap:LongtermTransitionBondCurrentAndNoncurrentAbstract | 
        
           | 229 | Long-term Transition Bond, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermTransitionBondCurrent | 
        
           | 230 | Long-term Transition Bond, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermTransitionBond | 
        
           | 231 | Long-term Transition Bond, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermTransitionBondCurrentAndNoncurrent | 
        
           | 232 | Long-term Pollution Control Bond [Abstract] | Abstract |  |  | us-gaap:LongtermPollutionControlBondCurrentAndNoncurrentAbstract | 
        
           | 233 | Long-term Pollution Control Bond, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermPollutionControlBondCurrent | 
        
           | 234 | Long-term Pollution Control Bond, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermPollutionControlBond | 
        
           | 235 | Long-term Pollution Control Bond, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermPollutionControlBondCurrentAndNoncurrent | 
        
           | 236 | Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust [Abstract] | Abstract |  |  | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustAbstract | 
        
           | 237 | Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Current | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustCurrent | 
        
           | 238 | Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustNoncurrent | 
        
           | 239 | Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Total | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust | 
        
           | 240 | Long-term Notes and Loans, by Type, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermNotesAndLoansByTypeCurrentAndNoncurrentAbstract | 
        
           | 241 | Notes Payable, by Type, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermNotesPayableCurrentAndNoncurrentAbstract | 
        
           | 242 | Medium-term Notes [Abstract] | Abstract |  |  | us-gaap:MediumtermNotesAbstract | 
        
           | 243 | Medium-term Notes, Current | Concept  (Monetary) | As Of | Credit | us-gaap:MediumtermNotesCurrent | 
        
           | 244 | Medium-term Notes, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:MediumtermNotesNoncurrent | 
        
           | 245 | Medium-term Notes, Total | Concept  (Monetary) | As Of | Credit | us-gaap:MediumTermNotes | 
        
           | 246 | Junior Subordinated Notes [Abstract] | Abstract |  |  | us-gaap:JuniorSubordinatedLongtermNotesCurrentAndNoncurrentAbstract | 
        
           | 247 | Junior Subordinated Notes, Current | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedNotesCurrent | 
        
           | 248 | Junior Subordinated Notes, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedLongTermNotes | 
        
           | 249 | Junior Subordinated Notes, Total | Concept  (Monetary) | As Of | Credit | us-gaap:JuniorSubordinatedNotes | 
        
           | 250 | Senior Notes [Abstract] | Abstract |  |  | us-gaap:SeniorLongtermNotesCurrentAndNoncurrentAbstract | 
        
           | 251 | Senior Notes, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SeniorNotesCurrent | 
        
           | 252 | Senior Notes, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SeniorLongTermNotes | 
        
           | 253 | Senior Notes, Total | Concept  (Monetary) | As Of | Credit | us-gaap:SeniorNotes | 
        
           | 254 | Convertible Notes Payable [Abstract] | Abstract |  |  | us-gaap:ConvertibleLongtermNotesPayableCurrentAndNoncurrentAbstract | 
        
           | 255 | Convertible Notes Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleNotesPayableCurrent | 
        
           | 256 | Convertible Notes Payable, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleLongTermNotesPayable | 
        
           | 257 | Convertible Notes Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:ConvertibleNotesPayable | 
        
           | 258 | Notes Payable to Bank [Abstract] | Abstract |  |  | us-gaap:NotesPayableToBankCurrentAndNoncurrentAbstract | 
        
           | 259 | Notes Payable to Bank, Current | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableToBankCurrent | 
        
           | 260 | Notes Payable to Bank, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableToBankNoncurrent | 
        
           | 261 | Notes Payable to Bank, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableToBank | 
        
           | 262 | Other Notes Payable [Abstract] | Abstract |  |  | us-gaap:OtherLongtermNotesPayableCurrentAndNoncurrentAbstract | 
        
           | 263 | Other Notes Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:OtherNotesPayableCurrent | 
        
           | 264 | Other Notes Payable, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermNotesPayable | 
        
           | 265 | Other Notes Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:OtherNotesPayable | 
        
           | 266 | Notes Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayable | 
        
           | 267 | Loans Payable, by Type, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermLoansPayableCurrentAndNoncurrentAbstract | 
        
           | 268 | Loans Payable to Bank [Abstract] | Abstract |  |  | us-gaap:LongtermLoansPayableToBankCurrentAndNoncurrentAbstract | 
        
           | 269 | Loans Payable to Bank, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayableToBankCurrent | 
        
           | 270 | Loans Payable to Bank, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermLoansFromBank | 
        
           | 271 | Loans Payable to Bank, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayableToBank | 
        
           | 272 | Other Loans Payable [Abstract] | Abstract |  |  | us-gaap:OtherLongtermLoansPayableCurrentAndNoncurrentAbstract | 
        
           | 273 | Other Loans Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLoansPayableCurrent | 
        
           | 274 | Other Loans Payable, Long-term, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLoansPayableLongTerm | 
        
           | 275 | Other Loans Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLoansPayable | 
        
           | 276 | Loans Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayable | 
        
           | 277 | Notes and Loans Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesAndLoansPayable | 
        
           | 278 | Special Assessment Bond [Abstract] | Abstract |  |  | us-gaap:SpecialAssessmentBondCurrentAndNoncurrentAbstract | 
        
           | 279 | Special Assessment Bond, Current | Concept  (Monetary) | As Of | Credit | us-gaap:SpecialAssessmentBondCurrent | 
        
           | 280 | Special Assessment Bond, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:SpecialAssessmentBondNoncurrent | 
        
           | 281 | Special Assessment Bond, Total | Concept  (Monetary) | As Of | Credit | us-gaap:SpecialAssessmentBond | 
        
           | 282 | Long-term Federal Home Loan Bank Advances [Abstract] | Abstract |  |  | us-gaap:LongtermFederalHomeLoanBankAdvancesAbstract | 
        
           | 283 | Long-term Federal Home Loan Bank Advances, Current | Concept  (Monetary) | As Of | Credit | us-gaap:FederalHomeLoanBankAdvancesCurrent | 
        
           | 284 | Long-term Federal Home Loan Bank Advances, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermFederalHomeLoanBankAdvancesNoncurrent | 
        
           | 285 | Long-term Federal Home Loan Bank Advances, Total | Concept  (Monetary) | As Of | Credit | us-gaap:FederalHomeLoanBankAdvancesLongTerm | 
        
           | 286 | Other Long-term Debt [Abstract] | Abstract |  |  | us-gaap:OtherLongtermDebtCurrentAndNoncurrentAbstract | 
        
           | 287 | Other Long-term Debt, Current | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermDebtCurrent | 
        
           | 288 | Other Long-term Debt, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermDebtNoncurrent | 
        
           | 289 | Other Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:OtherLongTermDebt | 
        
           | 290 | Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 291 | Long-term Debt, by Category, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermDebtByTypeCategoryCurrentAndNoncurrentAbstract | 
        
           | 292 | Loans Payable, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermLoansPayableByCurrentAndNoncurrentAbstract | 
        
           | 293 | Loans Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayableCurrent | 
        
           | 294 | Loans Payable, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermLoansPayable | 
        
           | 295 | Loans Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LoansPayable | 
        
           | 296 | Notes Payable, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermNotesPayableCurrentAndNoncurrentTotalAbstract | 
        
           | 297 | Notes Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayableCurrent | 
        
           | 298 | Notes Payable, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermNotesPayable | 
        
           | 299 | Notes Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesPayable | 
        
           | 300 | Notes and Loans Payable, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermNotesAndLoansCurrentAndNoncurrentAbstract | 
        
           | 301 | Notes and Loans Payable, Current | Concept  (Monetary) | As Of | Credit | us-gaap:NotesAndLoansPayableCurrent | 
        
           | 302 | Notes and Loans, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermNotesAndLoans | 
        
           | 303 | Notes and Loans Payable, Total | Concept  (Monetary) | As Of | Credit | us-gaap:NotesAndLoansPayable | 
        
           | 304 | Long-term Debt, Current and Noncurrent [Abstract] | Abstract |  |  | us-gaap:LongtermDebtCurrentAndNoncurrentAbstract | 
        
           | 305 | Long-term Debt, Current Maturities | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtCurrent | 
        
           | 306 | Long-term Debt, Excluding Current Maturities | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtNoncurrent | 
        
           | 307 | Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 308 | Debt Instruments [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentsAbstract | 
        
           | 309 | Schedule of Long-term Debt Instruments [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfDebtInstrumentsTextBlock | 
        
           | 310 | Schedule of Long-term Debt Instruments [Table] | Table |  |  | us-gaap:DebtInstrumentTable | 
        
           | 311 | Long-term Debt, Type [Axis] | Axis |  |  | us-gaap:LongtermDebtTypeAxis | 
        
           | 312 | Long-term Debt, Type [Domain] | Member |  |  | us-gaap:LongtermDebtTypeDomain | 
        
           | 313 | Notes Payable to Banks [Member] | Member |  |  | us-gaap:NotesPayableToBanksMember | 
        
           | 314 | Notes Payable, Other Payables [Member] | Member |  |  | us-gaap:NotesPayableOtherPayablesMember | 
        
           | 315 | Loans Payable [Member] | Member |  |  | us-gaap:LoansPayableMember | 
        
           | 316 | Medium-term Notes [Member] | Member |  |  | us-gaap:MediumTermNotesMember | 
        
           | 317 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 318 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 319 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 320 | Secured Debt [Member] | Member |  |  | us-gaap:SecuredDebtMember | 
        
           | 321 | Equipment Trust Certificate [Member] | Member |  |  | us-gaap:EquipmentTrustCertificateMember | 
        
           | 322 | Enhanced Equipment Trust Certificate [Member] | Member |  |  | us-gaap:EnhancedEquipmentTrustCertificateMember | 
        
           | 323 | Convertible Debt [Member] | Member |  |  | us-gaap:ConvertibleDebtMember | 
        
           | 324 | Unsecured Debt [Member] | Member |  |  | us-gaap:UnsecuredDebtMember | 
        
           | 325 | Capital Lease Obligations [Member] | Member |  |  | us-gaap:CapitalLeaseObligationsMember | 
        
           | 326 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 327 | Construction Loans [Member] | Member |  |  | us-gaap:ConstructionLoansMember | 
        
           | 328 | Subordinated Debt [Member] | Member |  |  | us-gaap:SubordinatedDebtMember | 
        
           | 329 | Convertible Subordinated Debt [Member] | Member |  |  | us-gaap:ConvertibleSubordinatedDebtMember | 
        
           | 330 | Junior Subordinated Debt [Member] | Member |  |  | us-gaap:JuniorSubordinatedDebtMember | 
        
           | 331 | Mortgages [Member] | Member |  |  | us-gaap:MortgagesMember | 
        
           | 332 | Participating Mortgages [Member] | Member |  |  | us-gaap:ParticipatingMortgagesMember | 
        
           | 333 | Bridge Loan [Member] | Member |  |  | us-gaap:BridgeLoanMember | 
        
           | 334 | Federal Home Loan Bank Advances [Member] | Member |  |  | us-gaap:FederalHomeLoanBankAdvancesMember | 
        
           | 335 | Corporate Debt Securities [Member] | Member |  |  | us-gaap:CorporateDebtSecuritiesMember | 
        
           | 336 | Senior Subordinated Notes [Member] | Member |  |  | us-gaap:SeniorSubordinatedNotesMember | 
        
           | 337 | Senior Notes [Member] | Member |  |  | us-gaap:SeniorNotesMember | 
        
           | 338 | Payment in Kind (PIK) Note [Member] | Member |  |  | us-gaap:PaymentInKindPIKNoteMember | 
        
           | 339 | Debt Instrument [Axis] | Axis |  |  | us-gaap:DebtInstrumentAxis | 
        
           | 340 | Debt Instrument, Name [Domain] | Member |  |  | us-gaap:DebtInstrumentNameDomain | 
        
           | 341 | Variable Rate [Axis] | Axis |  |  | us-gaap:VariableRateAxis | 
        
           | 342 | Variable Rate [Domain] | Member |  |  | us-gaap:VariableRateDomain | 
        
           | 343 | Base Rate [Member] | Member |  |  | us-gaap:BaseRateMember | 
        
           | 344 | Federal Funds Effective Swap Rate [Member] | Member |  |  | us-gaap:FederalFundsEffectiveSwapRateMember | 
        
           | 345 | Prime Rate [Member] | Member |  |  | us-gaap:PrimeRateMember | 
        
           | 346 | Eurodollar [Member] | Member |  |  | us-gaap:EurodollarMember | 
        
           | 347 | London Interbank Offered Rate (LIBOR) [Member] | Member |  |  | us-gaap:LondonInterbankOfferedRateLIBORMember | 
        
           | 348 | Debt Instrument, Redemption, Period [Axis] | Axis |  |  | us-gaap:DebtInstrumentRedemptionPeriodAxis | 
        
           | 349 | Debt Instrument, Redemption, Period [Domain] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodDomain | 
        
           | 350 | Debt Instrument, Redemption, Period One [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodOneMember | 
        
           | 351 | Debt Instrument, Redemption, Period Two [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodTwoMember | 
        
           | 352 | Debt Instrument, Redemption, Period Three [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodThreeMember | 
        
           | 353 | Debt Instrument, Redemption, Period Four [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodFourMember | 
        
           | 354 | Debt Instrument, Redemption, Period Five [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodFiveMember | 
        
           | 355 | Range [Axis] | Axis |  |  | us-gaap:RangeAxis | 
        
           | 356 | Range [Domain] | Member |  |  | us-gaap:RangeMember | 
        
           | 357 | Maximum [Member] | Member |  |  | us-gaap:MaximumMember | 
        
           | 358 | Minimum [Member] | Member |  |  | us-gaap:MinimumMember | 
        
           | 359 | Debt Instrument [Line Items] | LineItems |  |  | us-gaap:DebtInstrumentLineItems | 
        
           | 360 | Debt Instrument, Issuer | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentIssuer | 
        
           | 361 | Debt Instrument, Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentDescription | 
        
           | 362 | Committee for Uniform Securities Identification Procedures (CUSIP) | Concept  (us-types:nineDigitItemType) | For Period |  | us-gaap:CommitteeForUniformSecuritiesIdentificationProceduresCUSIP | 
        
           | 363 | Debt Instrument, Currency | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentCurrency | 
        
           | 364 | Debt Instrument, Priority | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentPriority | 
        
           | 365 | Debt Instrument, Collateral | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentCollateral | 
        
           | 366 | Debt Instrument, Collateral Fee | Concept  (Monetary) | For Period | Debit | us-gaap:DebtInstrumentCollateralFee | 
        
           | 367 | Debt Instrument, Collateral Amount | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentCollateralAmount | 
        
           | 368 | Debt Instrument, Credit Rating | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentCreditRating | 
        
           | 369 | Debt Instrument, Third Party Credit Enhancement | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentThirdPartyCreditEnhancement | 
        
           | 370 | Debt Instrument, Covenant Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentCovenantDescription | 
        
           | 371 | Debt Instrument, Covenant Compliance | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentCovenantCompliance | 
        
           | 372 | Ratio of Indebtedness to Net Capital | Concept  (Pure) | As Of |  | us-gaap:RatioOfIndebtednessToNetCapital1 | 
        
           | 373 | Debt Instrument, Fee | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentFee | 
        
           | 374 | Debt Instrument, Frequency of Fee | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentFrequencyOfFee | 
        
           | 375 | Debt Instrument, Fee Amount | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentFeeAmount | 
        
           | 376 | Long-term Debt, Gross | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentCarryingAmount | 
        
           | 377 | Debt Instrument, Face Amount | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentFaceAmount | 
        
           | 378 | Debt Instrument, Repurchase Amount | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentRepurchaseAmount | 
        
           | 379 | Debt Instrument, Repurchase Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentRepurchaseDate | 
        
           | 380 | Debt Instrument, Repurchased Face Amount | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentRepurchasedFaceAmount | 
        
           | 381 | Debt, Long-term and Short-term, Combined Amount [Abstract] | Abstract |  |  | us-gaap:DebtLongtermAndShorttermCombinedAmountAbstract | 
        
           | 382 | Long-term Debt | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 383 | Short-term Debt | Concept  (Monetary) | As Of | Credit | us-gaap:ShortTermBorrowings | 
        
           | 384 | Borrowings under Guaranteed Investment Agreements | Concept  (Monetary) | As Of | Credit | us-gaap:BorrowingsUnderGuaranteedInvestmentAgreements | 
        
           | 385 | Debt, Long-term and Short-term, Combined Amount, Total | Concept  (Monetary) | As Of | Credit | us-gaap:DebtLongtermAndShorttermCombinedAmount | 
        
           | 386 | Debt Instrument, Fair Value Disclosure | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentFairValue | 
        
           | 387 | Fair Value, Debt Instrument, Valuation Techniques, Change in Technique, Quantification of Effect | Concept  (Monetary) | For Period | Credit | us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisDebtInstrumentValuationTechniquesChangeInTechniqueQuantificationOfEffect | 
        
           | 388 | Long-term Debt, Fair Value | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtFairValue | 
        
           | 389 | Debt Instrument, Interest Rate Terms | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentInterestRateTerms | 
        
           | 390 | Debt Instrument, Interest Rate, Stated Percentage [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentInterestRateStatedPercentageAbstract | 
        
           | 391 | Debt Instrument, Interest Rate, Stated Percentage | Concept  (Percent) | As Of |  | us-gaap:DebtInstrumentInterestRateStatedPercentage | 
        
           | 392 | Debt Instrument, Interest Rate, Increase (Decrease) | Concept  (Percent) | For Period |  | us-gaap:DebtInstrumentInterestRateIncreaseDecrease | 
        
           | 393 | Debt Instrument, Interest Rate, Effective Percentage [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentInterestRateEffectivePercentageAbstract | 
        
           | 394 | Debt Instrument, Interest Rate, Effective Percentage | Concept  (Percent) | As Of |  | us-gaap:DebtInstrumentInterestRateEffectivePercentage | 
        
           | 395 | Debt Instrument, Interest Rate, Basis for Effective Rate | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentInterestRateBasisForEffectiveRate | 
        
           | 396 | Debt Instrument, Interest Rate During Period | Concept  (Percent) | For Period |  | us-gaap:DebtInstrumentInterestRateDuringPeriod | 
        
           | 397 | Debt Instrument, Description of Variable Rate Basis | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentDescriptionOfVariableRateBasis | 
        
           | 398 | Debt Instrument, Basis Spread on Variable Rate | Concept  (Percent) | For Period |  | us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 | 
        
           | 399 | Long-term Debt, Weighted Average Interest Rate | Concept  (Percent) | As Of |  | us-gaap:LongtermDebtWeightedAverageInterestRate | 
        
           | 400 | Debt, Weighted Average Interest Rate | Concept  (Percent) | As Of |  | us-gaap:DebtWeightedAverageInterestRate | 
        
           | 401 | Debt Instrument, Payment Terms | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentPaymentTerms | 
        
           | 402 | Debt Instrument, Frequency of Periodic Payment | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentFrequencyOfPeriodicPayment | 
        
           | 403 | Debt Instrument, Periodic Payment [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentPeriodicPaymentAbstract | 
        
           | 404 | Debt Instrument, Periodic Payment, Interest | Concept  (Monetary) | For Period | Debit | us-gaap:DebtInstrumentPeriodicPaymentInterest | 
        
           | 405 | Debt Instrument, Periodic Payment, Principal | Concept  (Monetary) | For Period | Debit | us-gaap:DebtInstrumentPeriodicPaymentPrincipal | 
        
           | 406 | Debt Instrument, Periodic Payment, Total | Concept  (Monetary) | For Period | Debit | us-gaap:DebtInstrumentPeriodicPayment | 
        
           | 407 | Debt Instrument, Date of First Required Payment | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentDateOfFirstRequiredPayment1 | 
        
           | 408 | Debt Instrument, Annual Principal Payment | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentAnnualPrincipalPayment | 
        
           | 409 | Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid | 
        
           | 410 | Debt Instrument, Offering Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentOfferingDate1 | 
        
           | 411 | Debt Instrument, Issuance Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentIssuanceDate1 | 
        
           | 412 | Debt Instrument, Maturity Date, Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentMaturityDateDescription | 
        
           | 413 | Debt Instrument, Maturity Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentMaturityDate | 
        
           | 414 | Debt Instrument, Maturity Date Range, Start | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentMaturityDateRangeStart1 | 
        
           | 415 | Debt Instrument, Maturity Date Range, End | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentMaturityDateRangeEnd1 | 
        
           | 416 | Debt Instrument, Call Feature | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentCallFeature | 
        
           | 417 | Debt Instrument, Call Date, Earliest | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentCallDateEarliest | 
        
           | 418 | Debt Instrument, Call Date, Latest | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentCallDateLatest | 
        
           | 419 | Debt Instrument, Convertible, Terms of Conversion Feature | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentConvertibleTermsOfConversionFeature | 
        
           | 420 | Debt Instrument, Convertible, Type of Equity Security | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentConvertibleTypeOfEquitySecurity | 
        
           | 421 | Debt Instrument, Convertible, Earliest Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentConvertibleEarliestDate1 | 
        
           | 422 | Debt Instrument, Convertible, Latest Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentConvertibleLatestDate1 | 
        
           | 423 | Debt Instrument, Convertible, Conversion Ratio | Concept  (Pure) | For Period |  | us-gaap:DebtInstrumentConvertibleConversionRatio1 | 
        
           | 424 | Debt Instrument, Convertible, Number of Equity Instruments | Concept  (Integer) | For Period |  | us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments | 
        
           | 425 | Debt Instrument, Convertible, Beneficial Conversion Feature | Concept  (Monetary) | For Period | Credit | us-gaap:DebtInstrumentConvertibleBeneficialConversionFeature | 
        
           | 426 | Debt Instrument, Convertible, Conversion Price | Concept  (Share) | As Of |  | us-gaap:DebtInstrumentConvertibleConversionPrice1 | 
        
           | 427 | Debt Instrument, Convertible, If-converted Value in Excess of Principal | Concept  (Monetary) | For Period | Credit | us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal | 
        
           | 428 | Debt Instrument, Convertible, Stock Price Trigger | Concept  (Share) | For Period |  | us-gaap:DebtInstrumentConvertibleStockPriceTrigger | 
        
           | 429 | Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger | Concept  (Percent) | For Period |  | us-gaap:DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger | 
        
           | 430 | Debt Instrument, Convertible, Threshold Trading Days | Concept  (Integer) | For Period |  | us-gaap:DebtInstrumentConvertibleThresholdTradingDays | 
        
           | 431 | Debt Instrument, Convertible, Threshold Consecutive Trading Days | Concept  (xbrli:durationItemType) | For Period |  | us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays | 
        
           | 432 | Debt Instrument, Increase (Decrease) for Period, Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentIncreaseDecreaseForPeriodDescription | 
        
           | 433 | Debt Instrument, Increase (Decrease), Net [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentIncreaseDecreaseNetAbstract | 
        
           | 434 | Debt Instrument, Increase, Accrued Interest | Concept  (Monetary) | For Period | Credit | us-gaap:DebtInstrumentIncreaseAccruedInterest | 
        
           | 435 | Proceeds from Issuance of Debt | Concept  (Monetary) | For Period | Debit | us-gaap:ProceedsFromIssuanceOfDebt | 
        
           | 436 | Repayments of Debt | Concept  (Monetary) | For Period | Credit | us-gaap:RepaymentsOfDebt | 
        
           | 437 | Debt Instrument, Decrease, Forgiveness | Concept  (Monetary) | For Period | Debit | us-gaap:DebtInstrumentDecreaseForgiveness | 
        
           | 438 | Debt Instrument, Increase (Decrease), Other, Net | Concept  (Monetary) | For Period | Credit | us-gaap:DebtInstrumentIncreaseDecreaseOtherNet | 
        
           | 439 | Debt Instrument, Increase (Decrease), Net, Total | Concept  (Monetary) | For Period | Credit | us-gaap:DebtInstrumentIncreaseDecreaseForPeriodNet | 
        
           | 440 | Debt Instrument, Sinking Fund Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentSinkingFundDescription | 
        
           | 441 | Debt Instrument, Sinking Fund Payment | Concept  (Monetary) | For Period | Credit | us-gaap:DebtInstrumentSinkingFundPayment | 
        
           | 442 | Debt Instrument, Cumulative Sinking Fund Payments | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentCumulativeSinkingFundPayments | 
        
           | 443 | Debt Instrument, Restrictive Covenants | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentRestrictiveCovenants | 
        
           | 444 | Debt Instrument, Unused Borrowing Capacity, Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentUnusedBorrowingCapacityDescription | 
        
           | 445 | Debt Instrument, Unused Borrowing Capacity, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount | 
        
           | 446 | Debt Instrument, Unused Borrowing Capacity, Fee | Concept  (Monetary) | For Period | Debit | us-gaap:DebtInstrumentUnusedBorrowingCapacityFee | 
        
           | 447 | Debt Instrument, Convertible, Remaining Discount Amortization Period | Concept  (xbrli:durationItemType) | For Period |  | us-gaap:DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1 | 
        
           | 448 | Debt Instrument, Convertible, Carrying Amount of Equity Component | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent | 
        
           | 449 | Debt Instrument, Convertible, Associated Derivative Transactions, Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentConvertibleAssociatedDerivativeTransactionsDescription | 
        
           | 450 | Debt Instrument, Debt Default [Abstract] | Abstract |  |  | us-gaap:DebtDefaultLongtermDebtAbstract | 
        
           | 451 | Debt Instrument, Debt Default, Description of Violation or Event of Default | Concept  (Text/String) | For Period |  | us-gaap:DefaultLongtermDebtDescriptionOfViolationOrEventOfDefault | 
        
           | 452 | Debt Instrument, Debt Default, Description of Notice of Default | Concept  (Text/String) | For Period |  | us-gaap:DebtDefaultLongtermDebtDescriptionOfNoticeOfDefault | 
        
           | 453 | Debt Instrument, Debt Default, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:DebtDefaultLongtermDebtAmount | 
        
           | 454 | Debt Instrument, Subjective Acceleration Clause | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentSubjectiveAccelerationClause | 
        
           | 455 | Debt Instrument, Term | Concept  (xbrli:durationItemType) | For Period |  | us-gaap:DebtInstrumentTerm | 
        
           | 456 | Debt Instrument Redemption [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:DebtInstrumentRedemptionTableTextBlock | 
        
           | 457 | Debt Instrument Redemption [Table] | Table |  |  | us-gaap:DebtInstrumentRedemptionTable | 
        
           | 458 | Long-term Debt, Type [Axis] | Axis |  |  | us-gaap:LongtermDebtTypeAxis | 
        
           | 459 | Long-term Debt, Type [Domain] | Member |  |  | us-gaap:LongtermDebtTypeDomain | 
        
           | 460 | Notes Payable to Banks [Member] | Member |  |  | us-gaap:NotesPayableToBanksMember | 
        
           | 461 | Notes Payable, Other Payables [Member] | Member |  |  | us-gaap:NotesPayableOtherPayablesMember | 
        
           | 462 | Loans Payable [Member] | Member |  |  | us-gaap:LoansPayableMember | 
        
           | 463 | Medium-term Notes [Member] | Member |  |  | us-gaap:MediumTermNotesMember | 
        
           | 464 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 465 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 466 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 467 | Secured Debt [Member] | Member |  |  | us-gaap:SecuredDebtMember | 
        
           | 468 | Equipment Trust Certificate [Member] | Member |  |  | us-gaap:EquipmentTrustCertificateMember | 
        
           | 469 | Enhanced Equipment Trust Certificate [Member] | Member |  |  | us-gaap:EnhancedEquipmentTrustCertificateMember | 
        
           | 470 | Convertible Debt [Member] | Member |  |  | us-gaap:ConvertibleDebtMember | 
        
           | 471 | Unsecured Debt [Member] | Member |  |  | us-gaap:UnsecuredDebtMember | 
        
           | 472 | Capital Lease Obligations [Member] | Member |  |  | us-gaap:CapitalLeaseObligationsMember | 
        
           | 473 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 474 | Construction Loans [Member] | Member |  |  | us-gaap:ConstructionLoansMember | 
        
           | 475 | Subordinated Debt [Member] | Member |  |  | us-gaap:SubordinatedDebtMember | 
        
           | 476 | Convertible Subordinated Debt [Member] | Member |  |  | us-gaap:ConvertibleSubordinatedDebtMember | 
        
           | 477 | Junior Subordinated Debt [Member] | Member |  |  | us-gaap:JuniorSubordinatedDebtMember | 
        
           | 478 | Mortgages [Member] | Member |  |  | us-gaap:MortgagesMember | 
        
           | 479 | Participating Mortgages [Member] | Member |  |  | us-gaap:ParticipatingMortgagesMember | 
        
           | 480 | Bridge Loan [Member] | Member |  |  | us-gaap:BridgeLoanMember | 
        
           | 481 | Federal Home Loan Bank Advances [Member] | Member |  |  | us-gaap:FederalHomeLoanBankAdvancesMember | 
        
           | 482 | Corporate Debt Securities [Member] | Member |  |  | us-gaap:CorporateDebtSecuritiesMember | 
        
           | 483 | Senior Subordinated Notes [Member] | Member |  |  | us-gaap:SeniorSubordinatedNotesMember | 
        
           | 484 | Senior Notes [Member] | Member |  |  | us-gaap:SeniorNotesMember | 
        
           | 485 | Payment in Kind (PIK) Note [Member] | Member |  |  | us-gaap:PaymentInKindPIKNoteMember | 
        
           | 486 | Debt Instrument [Axis] | Axis |  |  | us-gaap:DebtInstrumentAxis | 
        
           | 487 | Debt Instrument, Name [Domain] | Member |  |  | us-gaap:DebtInstrumentNameDomain | 
        
           | 488 | Debt Instrument, Redemption, Period [Axis] | Axis |  |  | us-gaap:DebtInstrumentRedemptionPeriodAxis | 
        
           | 489 | Debt Instrument, Redemption, Period [Domain] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodDomain | 
        
           | 490 | Debt Instrument, Redemption, Period One [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodOneMember | 
        
           | 491 | Debt Instrument, Redemption, Period Two [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodTwoMember | 
        
           | 492 | Debt Instrument, Redemption, Period Three [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodThreeMember | 
        
           | 493 | Debt Instrument, Redemption, Period Four [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodFourMember | 
        
           | 494 | Debt Instrument, Redemption, Period Five [Member] | Member |  |  | us-gaap:DebtInstrumentRedemptionPeriodFiveMember | 
        
           | 495 | Debt Instrument, Redemption [Line Items] | LineItems |  |  | us-gaap:DebtInstrumentRedemptionLineItems | 
        
           | 496 | Debt Instrument, Redemption, Description | Concept  (Text/String) | For Period |  | us-gaap:DebtInstrumentRedemptionDescription | 
        
           | 497 | Debt Instrument, Redemption Price, Percentage | Concept  (Percent) | For Period |  | us-gaap:DebtInstrumentRedemptionPricePercentage | 
        
           | 498 | Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | Concept  (Percent) | For Period |  | us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed | 
        
           | 499 | Debt Instrument, Redemption Period, Start Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentRedemptionPeriodStartDate | 
        
           | 500 | Debt Instrument, Redemption Period, End Date | Concept  (Date) | For Period |  | us-gaap:DebtInstrumentRedemptionPeriodEndDate | 
        
           | 501 | Maturities of Long-term Debt [Abstract] | Abstract |  |  | us-gaap:MaturitiesOfLongTermDebtAbstract | 
        
           | 502 | Long-term Debt, Maturities, Repayment Terms | Concept  (Text/String) | For Period |  | us-gaap:LongTermDebtMaturitiesRepaymentTerms | 
        
           | 503 | Long-term Debt, Fiscal Year Maturity [Abstract] | Abstract |  |  | us-gaap:LongTermDebtByMaturityAbstract | 
        
           | 504 | Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | 
        
           | 505 | Long-term Debt, Maturing in Years Two and Three [Abstract] | Abstract |  |  | us-gaap:LongTermDebtMaturingInYearsTwoAndThreeAbstract | 
        
           | 506 | Long-term Debt, Maturities, Repayments of Principal in Year Two | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo | 
        
           | 507 | Long-term Debt, Maturities, Repayments of Principal in Year Three | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 
        
           | 508 | Long-term Debt, Maturing in Years Two and Three, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturingInYearsTwoAndThree | 
        
           | 509 | Long-term Debt, Maturing in Years Four and Five [Abstract] | Abstract |  |  | us-gaap:LongTermDebtMaturingInYearsFourAndFiveAbstract | 
        
           | 510 | Long-term Debt, Maturities, Repayments of Principal in Year Four | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 
        
           | 511 | Long-term Debt, Maturities, Repayments of Principal in Year Five | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive | 
        
           | 512 | Long-term Debt, Maturing in Years Four and Five, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturingInYearsFourAndFive | 
        
           | 513 | Long-term Debt, Maturities, Repayments of Principal after Year Five | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | 
        
           | 514 | Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 515 | Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear | 
        
           | 516 | Long-term Debt, Rolling Maturity [Abstract] | Abstract |  |  | us-gaap:LongTermDebtRollingMaturityAbstract | 
        
           | 517 | Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths | 
        
           | 518 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two and Three [Abstract] | Abstract |  |  | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwoAndThreeAbstract | 
        
           | 519 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo | 
        
           | 520 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Three | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree | 
        
           | 521 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two and Three, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwoAndThree | 
        
           | 522 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Four and Five [Abstract] | Abstract |  |  | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFourAndFiveAbstract | 
        
           | 523 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Four | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour | 
        
           | 524 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Five | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive | 
        
           | 525 | Long-term Debt, Maturities, Repayments of Principal in Rolling Year Four and Five, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFourAndFive | 
        
           | 526 | Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive | 
        
           | 527 | Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 528 | Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract] | Abstract |  |  | us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturitiesAbstract | 
        
           | 529 | Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths | 
        
           | 530 | Maturities of Long-term Debt and Capital Lease Obligations [Abstract] | Abstract |  |  | us-gaap:MaturitiesOfLongtermDebtAndCapitalLeaseObligationsAbstract | 
        
           | 531 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Years Two and Three [Abstract] | Abstract |  |  | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearsTwoAndThreeAbstract | 
        
           | 532 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo | 
        
           | 533 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree | 
        
           | 534 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Years Two and Three, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearsTwoAndThree | 
        
           | 535 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Years Four and Five [Abstract] | Abstract |  |  | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearsFourAndFiveAbstract | 
        
           | 536 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour | 
        
           | 537 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive | 
        
           | 538 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Years Four and Five, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearsFourAndFive | 
        
           | 539 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive | 
        
           | 540 | Long-term Debt and Capital Lease Obligations, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligations | 
        
           | 541 | Long-term Debt and Capital Lease Obligations, Including Current Maturities, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities | 
        
           | 542 | Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal Remainder of Fiscal Year | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear | 
        
           | 543 | Long-term Debt, Other Disclosures [Abstract] | Abstract |  |  | us-gaap:LongTermDebtOtherDisclosuresAbstract | 
        
           | 544 | Long-term Debt, Percentage Bearing Fixed Interest, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermDebtPercentageBearingFixedInterestAmount | 
        
           | 545 | Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | Concept  (Percent) | As Of |  | us-gaap:LongTermDebtPercentageBearingFixedInterestRate | 
        
           | 546 | Long-term Debt, Percentage Bearing Variable Interest, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:LongtermDebtPercentageBearingVariableInterestAmount | 
        
           | 547 | Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate | Concept  (Percent) | As Of |  | us-gaap:LongTermDebtPercentageBearingVariableInterestRate | 
        
           | 548 | Long-term Debt, Contingent Payment of Principal or Interest | Concept  (Text/String) | For Period |  | us-gaap:LongTermDebtContingentPaymentOfPrincipalOrInterest | 
        
           | 549 | Long-term Debt, Fair Value | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtFairValue | 
        
           | 550 | Long-term Debt and Capital Lease Obligations, Net, Alternative [Abstract] | Abstract |  |  | us-gaap:LongtermDebtAndCapitalLeaseObligationsNetAlternativeAbstract | 
        
           | 551 | Long-term Debt, Unclassified [Abstract] | Abstract |  |  | us-gaap:LongTermDebtAbstract | 
        
           | 552 | Long-term Debt, Gross | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentCarryingAmount | 
        
           | 553 | Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract | 
        
           | 554 | Debt Instrument, Unamortized Discount (Premium), Net [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentUnamortizedDiscountPremiumNetAbstract | 
        
           | 555 | Debt Instrument, Unamortized Discount [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentUnamortizedDiscountAbstract | 
        
           | 556 | Debt Instrument, Unamortized Discount, Current | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentUnamortizedDiscountCurrent | 
        
           | 557 | Debt Instrument, Unamortized Discount, Noncurrent | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentUnamortizedDiscountNoncurrent | 
        
           | 558 | Debt Instrument, Unamortized Discount, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentUnamortizedDiscount | 
        
           | 559 | Debt Instrument, Unamortized Premium [Abstract] | Abstract |  |  | us-gaap:DebtInstrumentUnamortizedPremiumAbstract | 
        
           | 560 | Debt Instrument, Unamortized Premium, Current | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentUnamortizedPremiumCurrent | 
        
           | 561 | Debt Instrument, Unamortized Premium, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentUnamortizedPremiumNoncurrent | 
        
           | 562 | Debt Instrument, Unamortized Premium, Total | Concept  (Monetary) | As Of | Credit | us-gaap:DebtInstrumentUnamortizedPremium | 
        
           | 563 | Debt Instrument, Unamortized Discount (Premium), Net, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet | 
        
           | 564 | Debt Issuance Costs, Net [Abstract] | Abstract |  |  | us-gaap:DeferredFinanceCostsNetAbstract | 
        
           | 565 | Debt Issuance Costs, Current, Net [Abstract] | Abstract |  |  | us-gaap:DeferredFinanceCostsCurrentNetAbstract | 
        
           | 566 | Debt Issuance Costs, Gross, Current | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsCurrentGross | 
        
           | 567 | Accumulated Amortization, Debt Issuance Costs, Current | Concept  (Monetary) | As Of | Credit | us-gaap:AccumulatedAmortizationOfCurrentDeferredFinanceCosts | 
        
           | 568 | Debt Issuance Costs, Current, Net, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsCurrentNet | 
        
           | 569 | Debt Issuance Costs, Noncurrent, Net [Abstract] | Abstract |  |  | us-gaap:DeferredFinanceCostsNoncurrentNetAbstract | 
        
           | 570 | Debt Issuance Cost, Gross, Noncurrent | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsNoncurrentGross | 
        
           | 571 | Accumulated Amortization, Debt Issuance Costs, Noncurrent | Concept  (Monetary) | As Of | Credit | us-gaap:AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts | 
        
           | 572 | Debt Issuance Costs, Noncurrent, Net, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsNoncurrentNet | 
        
           | 573 | Debt Issuance Costs, Net, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsNet | 
        
           | 574 | Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net | Concept  (Monetary) | As Of | Debit | us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet | 
        
           | 575 | Long-term Debt, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebt | 
        
           | 576 | Capital Lease Obligations | Concept  (Monetary) | As Of | Credit | us-gaap:CapitalLeaseObligations | 
        
           | 577 | Long-term Debt and Capital Lease Obligations, Including Current Maturities, Total | Concept  (Monetary) | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities | 
        
           | 578 | Debt Issuance Costs, Net, Alternative [Abstract] | Abstract |  |  | us-gaap:DebtIssuanceCostsNetAlternativeAbstract | 
        
           | 579 | Debt Issuance Costs, Gross | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsGross | 
        
           | 580 | Accumulated Amortization, Debt Issuance Costs | Concept  (Monetary) | As Of | Credit | us-gaap:AccumulatedAmortizationDeferredFinanceCosts | 
        
           | 581 | Debt Issuance Costs, Net, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsNet | 
        
           | 582 | Non-Recourse Debt | Concept  (Monetary) | As Of | Credit | us-gaap:NonRecourseDebt | 
        
           | 583 | Extinguishment of Debt Disclosures [Abstract] | Abstract |  |  | us-gaap:ExtinguishmentOfDebtDisclosuresAbstract | 
        
           | 584 | Schedule of Extinguishment of Debt [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfExtinguishmentOfDebtTextBlock | 
        
           | 585 | Schedule of Extinguishment of Debt [Table] | Table |  |  | us-gaap:ScheduleOfExtinguishmentOfDebtTable | 
        
           | 586 | Extinguishment of Debt [Axis] | Axis |  |  | us-gaap:ExtinguishmentOfDebtAxis | 
        
           | 587 | Extinguishment of Debt, Type [Domain] | Member |  |  | us-gaap:ExtinguishmentOfDebtTypeDomain | 
        
           | 588 | Notes Payable to Banks [Member] | Member |  |  | us-gaap:NotesPayableToBanksMember | 
        
           | 589 | Notes Payable, Other Payables [Member] | Member |  |  | us-gaap:NotesPayableOtherPayablesMember | 
        
           | 590 | Loans Payable [Member] | Member |  |  | us-gaap:LoansPayableMember | 
        
           | 591 | Short-term Debt [Member] | Member |  |  | us-gaap:ShortTermDebtMember | 
        
           | 592 | Long-term Debt [Member] | Member |  |  | us-gaap:LongTermDebtMember | 
        
           | 593 | Medium-term Notes [Member] | Member |  |  | us-gaap:MediumTermNotesMember | 
        
           | 594 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 595 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 596 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 597 | Secured Debt [Member] | Member |  |  | us-gaap:SecuredDebtMember | 
        
           | 598 | Convertible Debt [Member] | Member |  |  | us-gaap:ConvertibleDebtMember | 
        
           | 599 | Unsecured Debt [Member] | Member |  |  | us-gaap:UnsecuredDebtMember | 
        
           | 600 | Capital Lease Obligations [Member] | Member |  |  | us-gaap:CapitalLeaseObligationsMember | 
        
           | 601 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 602 | Bank Overdrafts [Member] | Member |  |  | us-gaap:BankOverdraftsMember | 
        
           | 603 | Warehouse Agreement Borrowings [Member] | Member |  |  | us-gaap:WarehouseAgreementBorrowingsMember | 
        
           | 604 | Subordinated Debt [Member] | Member |  |  | us-gaap:SubordinatedDebtMember | 
        
           | 605 | Convertible Subordinated Debt [Member] | Member |  |  | us-gaap:ConvertibleSubordinatedDebtMember | 
        
           | 606 | Junior Subordinated Debt [Member] | Member |  |  | us-gaap:JuniorSubordinatedDebtMember | 
        
           | 607 | Federal Home Loan Bank Advances [Member] | Member |  |  | us-gaap:FederalHomeLoanBankAdvancesMember | 
        
           | 608 | Bankers Acceptance [Member] | Member |  |  | us-gaap:BankersAcceptanceMember | 
        
           | 609 | Mortgages [Member] | Member |  |  | us-gaap:MortgagesMember | 
        
           | 610 | Participating Mortgages [Member] | Member |  |  | us-gaap:ParticipatingMortgagesMember | 
        
           | 611 | Bridge Loan [Member] | Member |  |  | us-gaap:BridgeLoanMember | 
        
           | 612 | Product Financing Arrangement [Member] | Member |  |  | us-gaap:ProductFinancingArrangementMember | 
        
           | 613 | Federal Funds Purchased [Member] | Member |  |  | us-gaap:FederalFundsPurchasedMember | 
        
           | 614 | Securities Sold under Agreements to Repurchase [Member] | Member |  |  | us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseMember | 
        
           | 615 | Corporate Debt Securities [Member] | Member |  |  | us-gaap:CorporateDebtSecuritiesMember | 
        
           | 616 | Accounts Payable [Member] | Member |  |  | us-gaap:AccountsPayableMember | 
        
           | 617 | Extinguishment of Debt [Line Items] | LineItems |  |  | us-gaap:ExtinguishmentOfDebtLineItems | 
        
           | 618 | Extinguishment of Debt, Amount | Concept  (Monetary) | For Period | Debit | us-gaap:ExtinguishmentOfDebtAmount | 
        
           | 619 | Gain (Loss) on Extinguishment of Debt | Concept  (Monetary) | For Period | Credit | us-gaap:GainsLossesOnExtinguishmentOfDebt | 
        
           | 620 | Extinguishment of Debt, Gain (Loss), Income Tax | Concept  (Monetary) | For Period | Debit | us-gaap:ExtinguishmentOfDebtGainLossIncomeTax | 
        
           | 621 | Extinguishment of Debt, Gain (Loss), Net of Tax | Concept  (Monetary) | For Period | Credit | us-gaap:ExtinguishmentOfDebtGainLossNetOfTax | 
        
           | 622 | Extinguishment of Debt, Gain (Loss), Per Share, Net of Tax | Concept  (Share) | For Period |  | us-gaap:ExtinguishmentOfDebtGainLossPerShareNetOfTax | 
        
           | 623 | Extinguishment of Debt, Nature of Restrictions on Assets Set Aside for Scheduled Payments | Concept  (Text/String) | For Period |  | us-gaap:ExtinguishmentOfDebtNatureOfRestrictionsOnAssetsSetAsideForScheduledPayments | 
        
           | 624 | Troubled Debt Restructuring Note, Debtor [Abstract] | Abstract |  |  | us-gaap:TroubledDebtRestructuringNoteDebtorAbstract | 
        
           | 625 | Summary of Troubled Debt Restructuring Note, Debtor [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:SummaryOfTroubledDebtRestructuringNoteDebtorTextBlock | 
        
           | 626 | Troubled Debt Restructuring, Debtor, Current Period [Abstract] | Abstract |  |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodAbstract | 
        
           | 627 | Schedule of Debtor Troubled Debt Restructuring, Current Period [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfDebtorTroubledDebtRestructuringCurrentPeriodTextBlock | 
        
           | 628 | Troubled Debt Restructuring, Debtor, Current Period [Table] | Table |  |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodTable | 
        
           | 629 | Creditor [Axis] | Axis |  |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodAxis | 
        
           | 630 | Troubled Debt Restructuring, Debtor, Current Period, Creditor [Domain] | Member |  |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodCreditorDomain | 
        
           | 631 | Troubled Debt Restructuring, Debtor, Current Period [Line Items] | LineItems |  |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodLineItems | 
        
           | 632 | Troubled Debt Restructuring, Debtor, Current Period, Description of Changes in Terms | Concept  (Text/String) | For Period |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodDescriptionOfChangesInTerms | 
        
           | 633 | Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Restructuring, Net of Tax [Abstract] | Abstract |  |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringNetOfTaxAbstract | 
        
           | 634 | Gains (Losses) on Restructuring of Debt | Concept  (Monetary) | For Period | Credit | us-gaap:GainsLossesOnRestructuringOfDebt | 
        
           | 635 | Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Restructuring, Tax Effect | Concept  (Monetary) | For Period | Debit | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringTaxEffect | 
        
           | 636 | Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Restructuring, Net of Tax, Total | Concept  (Monetary) | For Period | Credit | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringNetOfTax | 
        
           | 637 | Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Transfer of Assets, Net of Tax | Concept  (Monetary) | For Period | Credit | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnTransferOfAssetsNetOfTax | 
        
           | 638 | Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Restructuring, Per Share, Net | Concept  (Share) | For Period |  | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringPerShareNet | 
        
           | 639 | Schedule of Debtor Troubled Debt Restructuring, Subsequent Periods [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfDebtorTroubledDebtRestructuringSubsequentPeriodsTextBlock | 
        
           | 640 | Troubled Debt Restructuring, Debtor, Subsequent Periods [Table] | Table |  |  | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsTable | 
        
           | 641 | Troubled Debt Restructuring, Debtor, Subsequent Periods [Axis] | Axis |  |  | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsAxis | 
        
           | 642 | Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Name [Domain] | Member |  |  | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsContingentPaymentsNameDomain | 
        
           | 643 | Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items] | LineItems |  |  | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsLineItems | 
        
           | 644 | Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Description | Concept  (Text/String) | For Period |  | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsContingentPaymentsDescription | 
        
           | 645 | Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsContingentPaymentsAmount | 
        
           | 646 | Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Conditions | Concept  (Text/String) | For Period |  | us-gaap:TroubledDebtRestructuringDebtorSubsequentPeriodsContingentPaymentsConditions | 
        
           | 647 | Troubled Debt Restructuring, Debtor, Other | Concept  (Text/String) | For Period |  | us-gaap:TroubledDebtRestructuringDebtorOther | 
        
           | 648 | Obligation with Joint and Several Liability Arrangement [Abstract] | Abstract |  |  | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementAbstract | 
        
           | 649 | Obligation with Joint and Several Liability Arrangement [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementTableTextBlock | 
        
           | 650 | Obligation with Joint and Several Liability Arrangement [Table] | Table |  |  | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementTable | 
        
           | 651 | Litigation Status [Axis] | Axis |  |  | us-gaap:LitigationStatusAxis | 
        
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           | 654 | Threatened Litigation [Member] | Member |  |  | us-gaap:ThreatenedLitigationMember | 
        
           | 655 | Judicial Ruling [Member] | Member |  |  | us-gaap:JudicialRulingMember | 
        
           | 656 | Settled Litigation [Member] | Member |  |  | us-gaap:SettledLitigationMember | 
        
           | 657 | Long-term Debt, Type [Axis] | Axis |  |  | us-gaap:LongtermDebtTypeAxis | 
        
           | 658 | Long-term Debt, Type [Domain] | Member |  |  | us-gaap:LongtermDebtTypeDomain | 
        
           | 659 | Notes Payable to Banks [Member] | Member |  |  | us-gaap:NotesPayableToBanksMember | 
        
           | 660 | Notes Payable, Other Payables [Member] | Member |  |  | us-gaap:NotesPayableOtherPayablesMember | 
        
           | 661 | Loans Payable [Member] | Member |  |  | us-gaap:LoansPayableMember | 
        
           | 662 | Medium-term Notes [Member] | Member |  |  | us-gaap:MediumTermNotesMember | 
        
           | 663 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 664 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 665 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 666 | Secured Debt [Member] | Member |  |  | us-gaap:SecuredDebtMember | 
        
           | 667 | Equipment Trust Certificate [Member] | Member |  |  | us-gaap:EquipmentTrustCertificateMember | 
        
           | 668 | Enhanced Equipment Trust Certificate [Member] | Member |  |  | us-gaap:EnhancedEquipmentTrustCertificateMember | 
        
           | 669 | Convertible Debt [Member] | Member |  |  | us-gaap:ConvertibleDebtMember | 
        
           | 670 | Unsecured Debt [Member] | Member |  |  | us-gaap:UnsecuredDebtMember | 
        
           | 671 | Capital Lease Obligations [Member] | Member |  |  | us-gaap:CapitalLeaseObligationsMember | 
        
           | 672 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 673 | Construction Loans [Member] | Member |  |  | us-gaap:ConstructionLoansMember | 
        
           | 674 | Subordinated Debt [Member] | Member |  |  | us-gaap:SubordinatedDebtMember | 
        
           | 675 | Convertible Subordinated Debt [Member] | Member |  |  | us-gaap:ConvertibleSubordinatedDebtMember | 
        
           | 676 | Junior Subordinated Debt [Member] | Member |  |  | us-gaap:JuniorSubordinatedDebtMember | 
        
           | 677 | Mortgages [Member] | Member |  |  | us-gaap:MortgagesMember | 
        
           | 678 | Participating Mortgages [Member] | Member |  |  | us-gaap:ParticipatingMortgagesMember | 
        
           | 679 | Bridge Loan [Member] | Member |  |  | us-gaap:BridgeLoanMember | 
        
           | 680 | Federal Home Loan Bank Advances [Member] | Member |  |  | us-gaap:FederalHomeLoanBankAdvancesMember | 
        
           | 681 | Corporate Debt Securities [Member] | Member |  |  | us-gaap:CorporateDebtSecuritiesMember | 
        
           | 682 | Senior Subordinated Notes [Member] | Member |  |  | us-gaap:SeniorSubordinatedNotesMember | 
        
           | 683 | Senior Notes [Member] | Member |  |  | us-gaap:SeniorNotesMember | 
        
           | 684 | Payment in Kind (PIK) Note [Member] | Member |  |  | us-gaap:PaymentInKindPIKNoteMember | 
        
           | 685 | Debt Instrument [Axis] | Axis |  |  | us-gaap:DebtInstrumentAxis | 
        
           | 686 | Debt Instrument, Name [Domain] | Member |  |  | us-gaap:DebtInstrumentNameDomain | 
        
           | 687 | Credit Facility [Axis] | Axis |  |  | us-gaap:CreditFacilityAxis | 
        
           | 688 | Credit Facility [Domain] | Member |  |  | us-gaap:CreditFacilityDomain | 
        
           | 689 | Letter of Credit [Member] | Member |  |  | us-gaap:LetterOfCreditMember | 
        
           | 690 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
           | 691 | Domestic Line of Credit [Member] | Member |  |  | us-gaap:DomesticLineOfCreditMember | 
        
           | 692 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 693 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 694 | Standby Letters of Credit [Member] | Member |  |  | us-gaap:StandbyLettersOfCreditMember | 
        
           | 695 | Secured Debt [Member] | Member |  |  | us-gaap:SecuredDebtMember | 
        
           | 696 | Revolving Credit Facility [Member] | Member |  |  | us-gaap:RevolvingCreditFacilityMember | 
        
           | 697 | Balance Sheet Location [Axis] | Axis |  |  | us-gaap:BalanceSheetLocationAxis | 
        
           | 698 | Balance Sheet Location [Domain] | Member |  |  | us-gaap:BalanceSheetLocationDomain | 
        
           | 699 | Other Assets [Member] | Member |  |  | us-gaap:OtherAssetsMember | 
        
           | 700 | Other Current Assets [Member] | Member |  |  | us-gaap:OtherCurrentAssetsMember | 
        
           | 701 | Other Noncurrent Assets [Member] | Member |  |  | us-gaap:OtherNoncurrentAssetsMember | 
        
           | 702 | Other Liabilities [Member] | Member |  |  | us-gaap:OtherLiabilitiesMember | 
        
           | 703 | Other Current Liabilities [Member] | Member |  |  | us-gaap:OtherCurrentLiabilitiesMember | 
        
           | 704 | Other Noncurrent Liabilities [Member] | Member |  |  | us-gaap:OtherNoncurrentLiabilitiesMember | 
        
           | 705 | Other Investments [Member] | Member |  |  | us-gaap:OtherInvestmentsMember | 
        
           | 706 | Contract Holder Funds [Member] | Member |  |  | us-gaap:ContractHolderFundsMember | 
        
           | 707 | Accounts Payable and Accrued Liabilities [Member] | Member |  |  | us-gaap:AccountsPayableAndAccruedLiabilitiesMember | 
        
           | 708 | Prepaid Expenses and Other Current Assets [Member] | Member |  |  | us-gaap:PrepaidExpensesAndOtherCurrentAssetsMember | 
        
           | 709 | Income Statement Location [Axis] | Axis |  |  | us-gaap:IncomeStatementLocationAxis | 
        
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           | 712 | Trading Revenue [Member] | Member |  |  | us-gaap:TradingRevenueMember | 
        
           | 713 | Cost of Sales [Member] | Member |  |  | us-gaap:CostOfSalesMember | 
        
           | 714 | Principal or Proprietary Transactions [Member] | Member |  |  | us-gaap:PrincipalOrProprietaryTransactionsMember | 
        
           | 715 | Asset Management Income [Member] | Member |  |  | us-gaap:AssetManagementIncomeMember | 
        
           | 716 | Other Income [Member] | Member |  |  | us-gaap:OtherIncomeMember | 
        
           | 717 | Interest Income [Member] | Member |  |  | us-gaap:InterestIncomeMember | 
        
           | 718 | Investment Income [Member] | Member |  |  | us-gaap:InvestmentIncomeMember | 
        
           | 719 | Operating Income (Loss) [Member] | Member |  |  | us-gaap:OperatingIncomeLossMember | 
        
           | 720 | Other Operating Income (Expense) [Member] | Member |  |  | us-gaap:OtherOperatingIncomeExpenseMember | 
        
           | 721 | Interest Expense [Member] | Member |  |  | us-gaap:InterestExpenseMember | 
        
           | 722 | Operating Expense [Member] | Member |  |  | us-gaap:OperatingExpenseMember | 
        
           | 723 | Other Expense [Member] | Member |  |  | us-gaap:OtherExpenseMember | 
        
           | 724 | Nonoperating Income (Expense) [Member] | Member |  |  | us-gaap:NonoperatingIncomeExpenseMember | 
        
           | 725 | Other Nonoperating Income (Expense) [Member] | Member |  |  | us-gaap:OtherNonoperatingIncomeExpenseMember | 
        
           | 726 | Foreign Currency Gain (Loss) [Member] | Member |  |  | us-gaap:ForeignCurrencyGainLossMember | 
        
           | 727 | Sale of Subsidiary Gain (Loss) [Member] | Member |  |  | us-gaap:SaleOfSubsidiaryGainLossMember | 
        
           | 728 | Selling, General and Administrative Expenses [Member] | Member |  |  | us-gaap:SellingGeneralAndAdministrativeExpensesMember | 
        
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           | 733 | Notes Payable to Banks [Member] | Member |  |  | us-gaap:NotesPayableToBanksMember | 
        
           | 734 | Notes Payable, Other Payables [Member] | Member |  |  | us-gaap:NotesPayableOtherPayablesMember | 
        
           | 735 | Loans Payable [Member] | Member |  |  | us-gaap:LoansPayableMember | 
        
           | 736 | Line of Credit [Member] | Member |  |  | us-gaap:LineOfCreditMember | 
        
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           | 738 | Foreign Line of Credit [Member] | Member |  |  | us-gaap:ForeignLineOfCreditMember | 
        
           | 739 | Letter of Credit [Member] | Member |  |  | us-gaap:LetterOfCreditMember | 
        
           | 740 | Warehouse Agreement Borrowings [Member] | Member |  |  | us-gaap:WarehouseAgreementBorrowingsMember | 
        
           | 741 | Convertible Debt [Member] | Member |  |  | us-gaap:ConvertibleDebtMember | 
        
           | 742 | Convertible Notes Payable [Member] | Member |  |  | us-gaap:ConvertibleNotesPayableMember | 
        
           | 743 | Exchangeable Debt [Member] | Member |  |  | us-gaap:ExchangeableDebtMember | 
        
           | 744 | Commercial Paper [Member] | Member |  |  | us-gaap:CommercialPaperMember | 
        
           | 745 | Construction Loan Payable [Member] | Member |  |  | us-gaap:ConstructionLoanPayableMember | 
        
           | 746 | Bank Overdrafts [Member] | Member |  |  | us-gaap:BankOverdraftsMember | 
        
           | 747 | Bankers Acceptance [Member] | Member |  |  | us-gaap:BankersAcceptanceMember | 
        
           | 748 | Bridge Loan [Member] | Member |  |  | us-gaap:BridgeLoanMember | 
        
           | 749 | Product Financing Arrangement [Member] | Member |  |  | us-gaap:ProductFinancingArrangementMember | 
        
           | 750 | Federal Funds Purchased [Member] | Member |  |  | us-gaap:FederalFundsPurchasedMember | 
        
           | 751 | Securities Sold under Agreements to Repurchase [Member] | Member |  |  | us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseMember | 
        
           | 752 | Federal Home Loan Bank Advances [Member] | Member |  |  | us-gaap:FederalHomeLoanBankAdvancesMember | 
        
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           | 755 | Collateralized Mortgage Backed Securities [Member] | Member |  |  | us-gaap:MortgageBackedSecuritiesMember | 
        
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           | 757 | Obligation with Joint and Several Liability Arrangement [Line Items] | LineItems |  |  | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementLineItems | 
        
           | 758 | Obligation with Joint and Several Liability Arrangement, Amount Outstanding | Concept  (Monetary) | As Of | Credit | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementAmountOutstanding | 
        
           | 759 | Obligation with Joint and Several Liability Arrangement, Amount Receivable | Concept  (Monetary) | As Of | Debit | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementAmountReceivable | 
        
           | 760 | Obligation with Joint and Several Liability Arrangement, Amount Recognized | Concept  (Monetary) | As Of | Credit | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementAmountRecognized | 
        
           | 761 | Obligation with Joint and Several Liability Arrangement, Corresponding Entry, Amount | Concept  (Monetary) | As Of | Debit | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementCorrespondingEntryAmount | 
        
           | 762 | Obligation with Joint and Several Liability Arrangement, Description | Concept  (Text/String) | For Period |  | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementDescription | 
        
           | 763 | Obligation with Joint and Several Liability Arrangement, Recourse Provision, Description | Concept  (Text/String) | For Period |  | us-gaap:ObligationWithJointAndSeveralLiabilityArrangementRecourseProvisionDescription | 
        
           | 764 | Schedule of Participating Mortgage Loans [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfParticipatingMortgageLoansTextBlock | 
        
           | 765 | Participating Mortgage Loans [Table] | Table |  |  | us-gaap:ParticipatingMortgageLoansTable | 
        
           | 766 | Participating Mortgage Loans [Axis] | Axis |  |  | us-gaap:ParticipatingMortgageLoansAxis | 
        
           | 767 | Participating Mortgage Loan, Name [Domain] | Member |  |  | us-gaap:ParticipatingMortgageLoanNameDomain | 
        
           | 768 | Participating Mortgage Loans [Line Items] | LineItems |  |  | us-gaap:ParticipatingMortgageLoansLineItems | 
        
           | 769 | Participating Mortgage Loans, Description of Terms | Concept  (Text/String) | For Period |  | us-gaap:ParticipatingMortgageLoansAppreciationInMarketValue | 
        
           | 770 | Participating Mortgage Loans, Mortgage Obligations, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:ParticipatingMortgageLoansMortgageObligationsAmount | 
        
           | 771 | Participating Mortgage Loans, Participation Liabilities, Amount | Concept  (Monetary) | As Of | Credit | us-gaap:ParticipatingMortgageLoansParticipationLiabilitiesAmount | 
        
           | 772 | Participating Mortgage Loans, Extinguishment Gain (Loss) | Concept  (Monetary) | For Period | Credit | us-gaap:ParticipatingMortgageLoansExtinguishmentGainLoss | 
        
           | 773 | Participating Mortgage Loans, Unamortized Debt Discount, Amount | Concept  (Monetary) | As Of | Debit | us-gaap:ParticipatingMortgageLoansUnamortizedDebtDiscountAmount | 
        
           | 774 | Interest Costs Incurred [Abstract] | Abstract |  |  | us-gaap:InterestCostsIncurredAbstract | 
        
           | 775 | Interest Expense, Debt [Abstract] | Abstract |  |  | us-gaap:InterestExpenseDebtAbstract | 
        
           | 776 | Amortization of Debt Discount (Premium) | Concept  (Monetary) | For Period | Debit | us-gaap:AmortizationOfDebtDiscountPremium | 
        
           | 777 | Amortization of Debt Issuance Costs | Concept  (Monetary) | For Period | Debit | us-gaap:AmortizationOfFinancingCosts | 
        
           | 778 | Interest Expense, Debt, Excluding Amortization | Concept  (Monetary) | For Period | Debit | us-gaap:InterestExpenseDebtExcludingAmortization | 
        
           | 779 | Interest Expense, Debt, Total | Concept  (Monetary) | For Period | Debit | us-gaap:InterestExpenseDebt | 
        
           | 780 | Capitalized Interest Costs, Including Allowance for Funds Used During Construction [Abstract] | Abstract |  |  | us-gaap:InterestCostsIncurredCapitalizedAbstract | 
        
           | 781 | Interest Costs Capitalized | Concept  (Monetary) | For Period | Debit | us-gaap:InterestCostsCapitalized | 
        
           | 782 | Allowance for Funds Used During Construction, Capitalized Interest | Concept  (Monetary) | For Period | Debit | us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest | 
        
           | 783 | Capitalized Interest Costs, Including Allowance for Funds Used During Construction, Total | Concept  (Monetary) | For Period | Debit | us-gaap:InterestCostsIncurredCapitalized | 
        
           | 784 | Interest Costs Incurred, Total | Concept  (Monetary) | For Period | Debit | us-gaap:InterestCostsIncurred | 
        
           | 785 | Accumulated Capitalized Interest Costs | Concept  (Monetary) | As Of | Debit | us-gaap:AccumulatedCapitalizedInterestCosts | 
        
           | 786 | Own-share Lending Arrangement [Abstract] | Abstract |  |  | us-gaap:OwnshareLendingArrangementAbstract | 
        
           | 787 | Own-share Lending Arrangement, Description | Concept  (Text/String) | For Period |  | us-gaap:OwnshareLendingArrangementDescription | 
        
           | 788 | Own-share Lending Arrangement, Shares, Issued | Concept  (Shares) | As Of |  | us-gaap:OwnshareLendingArrangementSharesIssued | 
        
           | 789 | Own-share Lending Arrangement, Collateral | Concept  (Monetary) | As Of | Credit | us-gaap:OwnshareLendingArrangementCollateral | 
        
           | 790 | Own-share Lending Arrangement, Reasons | Concept  (Text/String) | For Period |  | us-gaap:OwnshareLendingArrangementReasons | 
        
           | 791 | Own-share Lending Arrangement, Shares, Outstanding [Abstract] | Abstract |  |  | us-gaap:OwnshareLendingArrangementSharesOutstandingAbstract | 
        
           | 792 | Own-share Lending Arrangement, Shares, Outstanding, Value | Concept  (Monetary) | As Of | Credit | us-gaap:OwnshareLendingArrangementSharesOutstandingValue | 
        
           | 793 | Own-share Lending Arrangement, Shares, Outstanding | Concept  (Shares) | As Of |  | us-gaap:OwnshareLendingArrangementSharesOutstanding | 
        
           | 794 | Own-share Lending Arrangement, Earnings Per Share, Treatment | Concept  (Text/String) | For Period |  | us-gaap:OwnshareLendingArrangementEarningsPerShareTreatment | 
        
           | 795 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net [Abstract] | Abstract |  |  | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsNetAbstract | 
        
           | 796 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Gross | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsGross | 
        
           | 797 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Adjustment | Concept  (Monetary) | For Period | Credit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAdjustment | 
        
           | 798 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization | Concept  (Monetary) | As Of | Credit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortization | 
        
           | 799 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net | Concept  (Monetary) | As Of | Debit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsNet | 
        
           | 800 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net, Classification | Concept  (Text/String) | For Period |  | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsNetClassification | 
        
           | 801 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization [Roll Forward] | Abstract |  |  | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortizationRollForward | 
        
           | 802 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization, Beginning Balance | Concept  (Monetary) | As Of | Credit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortization | 
        
           | 803 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Amortization Expense | Concept  (Monetary) | For Period | Debit | us-gaap:DeferredFinanceCostsOwnShareLendingArrangementIssuanceCostsAmortizationExpense1 | 
        
           | 804 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization Adjustment | Concept  (Monetary) | For Period | Credit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortizationAdjustment | 
        
           | 805 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization Expense, Period Increase (Decrease), Total | Concept  (Monetary) | For Period |  | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAmortizationExpensePeriodIncreaseDecrease | 
        
           | 806 | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization, Ending Balance | Concept  (Monetary) | As Of | Credit | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortization | 
        
           | 807 | Own-share Lending Arrangement, Dividends, Not Reimbursed | Concept  (Monetary) | For Period | Debit | us-gaap:OwnshareLendingArrangementDividendsNotReimbursed | 
        
           | 808 | Own-share Lending Arrangement, Counterparty Default [Abstract] | Abstract |  |  | us-gaap:OwnshareLendingArrangementCounterpartyDefaultAbstract | 
        
           | 809 | Own-share Lending Arrangement, Counterparty Default, Period of Default, Expense | Concept  (Monetary) | For Period | Debit | us-gaap:OwnshareLendingArrangementCounterpartyDefaultPeriodOfDefaultExpense | 
        
           | 810 | Own-share Lending Arrangement, Counterparty Default, Changes in Value [Abstract] | Abstract |  |  | us-gaap:OwnshareLendingArrangementCounterpartyDefaultChangesInValueAbstract | 
        
           | 811 | Own-share Lending Arrangement, Counterparty Default, Changes in Value, Shares | Concept  (Monetary) | For Period | Debit | us-gaap:OwnshareLendingArrangementCounterpartyDefaultChangesInValueShares | 
        
           | 812 | Own-share Lending Arrangement, Counterparty Default, Changes in Value, Probable Recoveries | Concept  (Monetary) | For Period | Credit | us-gaap:OwnshareLendingArrangementCounterpartyDefaultChangesInValueRecoveries | 
        
           | 813 | Own-share Lending Arrangement, Counterparty Default, Earnings Per Share, Shares | Concept  (Shares) | As Of |  | us-gaap:OwnshareLendingArrangementCounterpartyDefaultEarningsPerShareShares | 
        
           | 814 | Mortgage Notes Payable Disclosure [Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:MortgageNotesPayableDisclosureTextBlock | 
        
           | 815 | Debt Issuance Costs, Line of Credit Arrangements, Net [Abstract] | Abstract |  |  | us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNetAbstract | 
        
           | 816 | Debt Issuance Costs, Line of Credit Arrangements, Gross | Concept  (Monetary) | As Of | Debit | us-gaap:DebtIssuanceCostsLineOfCreditArrangementsGross | 
        
           | 817 | Accumulated Amortization of Debt Issuance Costs, Line of Credit Arrangements | Concept  (Monetary) | As Of | Credit | us-gaap:AccumulatedAmortizationOfDebtIssuanceCostsLineOfCreditArrangements | 
        
           | 818 | Debt Issuance Costs, Line of Credit Arrangements, Net, Total | Concept  (Monetary) | As Of | Debit | us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet | 
        
           | 819 | Disclosure Text Block Supplement [Abstract] | Abstract |  |  | us-gaap:DisclosureTextBlockSupplementAbstract | 
        
           | 820 | Debt and Capital Leases Disclosures [Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:DebtAndCapitalLeasesDisclosuresTextBlock | 
        
           | 821 | Table Text Block Supplement [Abstract] | Abstract |  |  | us-gaap:TableTextBlockSupplementAbstract | 
        
           | 822 | Schedule of Maturities of Long-term Debt [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock | 
        
           | 823 | Schedule of Debt [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfDebtTableTextBlock | 
        
           | 824 | Convertible Debt [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ConvertibleDebtTableTextBlock | 
        
           | 825 | Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] | Concept  (Text Block (HTML)) | For Period |  | us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock |