| Line | Label | Object Class | Period Type | Balance | Report ElementName |
|---|---|---|---|---|---|
| 1 | 778000 - Disclosure - Extraordinary and Unusual Items | [Network] | http://fasb.org/us-gaap/role/disclosure/ExtraordinaryAndUnusualItems | ||
| 2 | Unusual or Infrequent Items, or Both [Abstract] | Abstract | us-gaap:ExtraordinaryAndUnusualItemsAbstract | ||
| 3 | Unusual or Infrequent Items, or Both, Disclosure [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:UnusualOrInfrequentItemsDisclosureTextBlock | |
| 4 | Schedule of Unusual or Infrequent Items, or Both [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfUnusualOrInfrequentItemsTextBlock | |
| 5 | Unusual or Infrequent Item, or Both [Table] | Table | us-gaap:UnusualOrInfrequentItemTable | ||
| 6 | Unusual or Infrequent Item, or Both [Axis] | Axis | us-gaap:UnusualOrInfrequentItemAxis | ||
| 7 | Unusual or Infrequent Item, or Both [Domain] | Member | us-gaap:UnusualOrInfrequentItemDomain | ||
| 8 | Natural Disasters and Other Casualty Events [Member] | Member | us-gaap:NaturalDisastersAndOtherCasualtyEventsMember | ||
| 9 | Unusual or Infrequent Item, or Both [Line Items] | LineItems | us-gaap:UnusualOrInfrequentItemLineItems | ||
| 10 | Unusual or Infrequent Item, or Both, Nature of Event or Transaction | Concept (Text/String) | For Period | us-gaap:UnusualOrInfrequentItemNatureOfEventOrTransaction | |
| 11 | Unusual or Infrequent Item, or Both, Net (Gain) Loss [Abstract] | Abstract | us-gaap:UnusualOrInfrequentItemNetGainLossAbstract | ||
| 12 | Unusual or Infrequent Item, or Both, Net of Insurance Proceeds [Abstract] | Abstract | us-gaap:UnusualOrInfrequentItemNetOfInsuranceProceedsAbstract | ||
| 13 | Unusual or Infrequent Item, or Both, Loss, Gross | Concept (Monetary) | For Period | Debit | us-gaap:UnusualOrInfrequentItemLossGross |
| 14 | Unusual or Infrequent Item, or Both, Insurance Proceeds | Concept (Monetary) | For Period | Credit | us-gaap:UnusualOrInfrequentItemInsuranceProceeds |
| 15 | Unusual or Infrequent Item, or Both, Net of Insurance Proceeds, Total | Concept (Monetary) | For Period | Debit | us-gaap:UnusualOrInfrequentItemNetOfInsuranceProceeds |
| 16 | Unusual or Infrequent Item, or Both, Gain, Gross | Concept (Monetary) | For Period | Credit | us-gaap:UnusualOrInfrequentItemGainGross |
| 17 | Discontinued Application of Specialized Accounting for Regulated Operations | Concept (Monetary) | For Period | Credit | us-gaap:DiscontinuedApplicationOfSpecializedAccountingForRegulatedOperations |
| 18 | Unusual or Infrequent Item, or Both, Net (Gain) Loss, Total | Concept (Monetary) | For Period | Debit | us-gaap:UnusualOrInfrequentItemNetGainLoss |
| 19 | Unusual or Infrequent Item, or Both, Earnings Per Share Impact, Gross | Concept (Share) | For Period | us-gaap:UnusualOrInfrequentItemEarningsPerShareImpactGross | |
| 20 | Unusual or Infrequent Item, or Both, Earnings Per Share Impact, Net | Concept (Share) | For Period | us-gaap:UnusualOrInfrequentItemEarningsPerShareImpactNet | |
| 21 | Unusual or Infrequent Item, or Both, Tax Effect | Concept (Monetary) | For Period | Debit | us-gaap:UnusualOrInfrequentTaxEffect |
| 22 | Extraordinary Items Adjustment Included in Income from Continuing Operations, Nature | Concept (Text/String) | For Period | us-gaap:ExtraordinaryItemsAdjustmentIncludedInIncomeFromContinuingOperationsNature | |
| 23 | Extraordinary Items Adjustment Included in Income from Operations, Gain (Loss) Amount | Concept (Monetary) | For Period | Credit | us-gaap:ExtraordinaryItemsAdjustmentIncludedInIncomeFromOperationsGainLossAmount |
| 24 | Business Insurance Recoveries [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:BusinessInsuranceRecoveriesTextBlock | |
| 25 | Business Insurance Recoveries [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfBusinessInsuranceRecoveriesTextBlock | |
| 26 | Business Insurance Recoveries [Table] | Table | us-gaap:ScheduleOfBusinessInsuranceRecoveriesTable | ||
| 27 | Business Interruption Loss [Axis] | Axis | us-gaap:BusinessInterruptionLossAxis | ||
| 28 | Business Interruption Loss [Domain] | Member | us-gaap:BusinessInterruptionLossDomain | ||
| 29 | Income Statement Location [Axis] | Axis | us-gaap:IncomeStatementLocationAxis | ||
| 30 | Income Statement Location [Domain] | Member | us-gaap:IncomeStatementLocationDomain | ||
| 31 | Sales [Member] | Member | us-gaap:SalesMember | ||
| 32 | Trading Revenue [Member] | Member | us-gaap:TradingRevenueMember | ||
| 33 | Cost of Sales [Member] | Member | us-gaap:CostOfSalesMember | ||
| 34 | Principal or Proprietary Transactions [Member] | Member | us-gaap:PrincipalOrProprietaryTransactionsMember | ||
| 35 | Asset Management Income [Member] | Member | us-gaap:AssetManagementIncomeMember | ||
| 36 | Other Income [Member] | Member | us-gaap:OtherIncomeMember | ||
| 37 | Interest Income [Member] | Member | us-gaap:InterestIncomeMember | ||
| 38 | Investment Income [Member] | Member | us-gaap:InvestmentIncomeMember | ||
| 39 | Operating Income (Loss) [Member] | Member | us-gaap:OperatingIncomeLossMember | ||
| 40 | Other Operating Income (Expense) [Member] | Member | us-gaap:OtherOperatingIncomeExpenseMember | ||
| 41 | Interest Expense [Member] | Member | us-gaap:InterestExpenseMember | ||
| 42 | Operating Expense [Member] | Member | us-gaap:OperatingExpenseMember | ||
| 43 | Other Expense [Member] | Member | us-gaap:OtherExpenseMember | ||
| 44 | Nonoperating Income (Expense) [Member] | Member | us-gaap:NonoperatingIncomeExpenseMember | ||
| 45 | Other Nonoperating Income (Expense) [Member] | Member | us-gaap:OtherNonoperatingIncomeExpenseMember | ||
| 46 | Foreign Currency Gain (Loss) [Member] | Member | us-gaap:ForeignCurrencyGainLossMember | ||
| 47 | Sale of Subsidiary Gain (Loss) [Member] | Member | us-gaap:SaleOfSubsidiaryGainLossMember | ||
| 48 | Selling, General and Administrative Expenses [Member] | Member | us-gaap:SellingGeneralAndAdministrativeExpensesMember | ||
| 49 | Selling and Marketing Expense [Member] | Member | us-gaap:SellingAndMarketingExpenseMember | ||
| 50 | General and Administrative Expense [Member] | Member | us-gaap:GeneralAndAdministrativeExpenseMember | ||
| 51 | Business Interruption Loss [Line Items] | LineItems | us-gaap:BusinessInterruptionLossLineItems | ||
| 52 | Business Interruption Losses, Nature of Event | Concept (Text/String) | For Period | us-gaap:BusinessInterruptionLossesNatureOfEvent | |
| 53 | Gain on Business Interruption Insurance Recovery | Concept (Monetary) | For Period | Credit | us-gaap:GainOnBusinessInterruptionInsuranceRecovery |
| 54 | ASU 2015-01 Transition [Abstract] | Abstract | us-gaap:ASU201501TransitionAbstract | ||
| 55 | Extraordinary Item [Axis] | Axis | us-gaap:ExtraordinaryItemAxis | ||
| 56 | Extraordinary Item, Change in Prior Period Estimate, Year of Origin | Concept (Year) | For Period | us-gaap:ExtraordinaryItemChangeInPriorPeriodEstimateYearOfOrigin | |
| 57 | Extraordinary Item, Description of Event or Transaction | Concept (Text/String) | For Period | us-gaap:ExtraordinaryItemDescriptionOfEventOrTransaction | |
| 58 | Extraordinary Item [Domain] | Member | us-gaap:ExtraordinaryItemDomain | ||
| 59 | Extraordinary Item, Earnings Per Share Impact, Gross | Concept (Share) | For Period | us-gaap:ExtraordinaryItemEarningsPerShareImpactGross | |
| 60 | Extraordinary Item, Earnings Per Share Impact, Net | Concept (Share) | For Period | us-gaap:ExtraordinaryItemEarningsPerShareImpactNet | |
| 61 | Extraordinary Item, Fourth Quarter | Concept (Monetary) | For Period | Credit | us-gaap:ExtraordinaryItemFourthQuarter |
| 62 | Extraordinary Item, Gain (Loss), Net of Tax, Attributable to Noncontrolling Interest | Concept (Monetary) | For Period | Debit | us-gaap:ExtraordinaryItemGainOrLossNetOfTaxAttributableToNoncontrollingInterest |
| 63 | Extraordinary Item, Gain (Loss), Net of Tax, Attributable to Parent, Total | Concept (Monetary) | For Period | Credit | us-gaap:ExtraordinaryItemGainOrLossNetOfTaxAttributableToReportingEntity |
| 64 | Extraordinary Item [Line Items] | LineItems | us-gaap:ExtraordinaryItemLineItems | ||
| 65 | Extraordinary Item [Member] | Member | us-gaap:ExtraordinaryItemMember | ||
| 66 | Extraordinary Item, Gain (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total | Concept (Monetary) | For Period | Credit | us-gaap:ExtraordinaryItemNetOfTax |
| 67 | Extraordinary Item of Investee | Concept (Monetary) | For Period | Credit | us-gaap:ExtraordinaryItemOfInvestee |
| 68 | Extraordinary Items Disclosure [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ExtraordinaryItemsDisclosureTextBlock | |
| 69 | Extraordinary Item, Gain (Loss), Gross | Concept (Monetary) | For Period | Credit | us-gaap:ExtraordinaryItemsGross |
| 70 | Extraordinary Items [Table] | Table | us-gaap:ExtraordinaryItemsTable | ||
| 71 | Gain (Loss) from Adjustments to Prior Period Extraordinary Items | Concept (Monetary) | For Period | Credit | us-gaap:GainLossFromAdjustmentsToPriorPeriodExtraordinaryItems |
| 72 | Income (Loss) from Operations before Extraordinary Items, Total | Concept (Monetary) | For Period | Credit | us-gaap:IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple |
| 73 | Income (Loss) from Operations before Extraordinary Items, Per Basic Share, Total | Concept (Share) | For Period | us-gaap:IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare | |
| 74 | Income (Loss) from Operations before Extraordinary Items, Per Diluted Share, Total | Concept (Share) | For Period | us-gaap:IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare | |
| 75 | Income (Loss) from Extraordinary Items, before Tax, Per Basic Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsBeforeTaxPerBasicShare | |
| 76 | Income (Loss) from Extraordinary Items, before Tax, Per Diluted Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsBeforeTaxPerDilutedShare | |
| 77 | Income (Loss) from Extraordinary Items, Net of Tax, Per Basic and Diluted Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerBasicAndDilutedShare | |
| 78 | Income (Loss) from Extraordinary Items, Net of Tax, Per Basic Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerBasicShare | |
| 79 | Income (Loss) from Extraordinary Items, Net of Tax, Per Diluted Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare | |
| 80 | Income (Loss) from Extraordinary Items, Net of Tax, Per Outstanding General Partnership Unit | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerOutstandingGeneralPartnershipUnit1 | |
| 81 | Income (Loss) from Extraordinary Items, Net of Tax, Per Outstanding Limited Partnership and General Partnership Unit, Basic | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic1 | |
| 82 | Income (Loss) from Extraordinary Items, Net of Tax, Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDiluted | |
| 83 | Income (Loss) from Extraordinary Items, Net of Tax, Per Outstanding Limited Partnership Unit, Basic | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerOutstandingLimitedPartnershipUnitBasic | |
| 84 | Income (Loss) from Extraordinary Items, Net of Tax, Per Outstanding Limited Partnership Unit, Diluted | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 | |
| 85 | Income (Loss) from Extraordinary Items, Tax Effect, Per Basic Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsTaxEffectPerBasicShare | |
| 86 | Income (Loss) from Extraordinary Items, Tax Effect, Per Diluted Share | Concept (Share) | For Period | us-gaap:IncomeLossFromExtraordinaryItemsTaxEffectPerDilutedShare | |
| 87 | Income (Loss) from Operations before Extraordinary Items, Net of Tax, Per Outstanding Limited Partnership Unit, Diluted, Total | Concept (Share) | For Period | us-gaap:IncomeLossFromOperationsBeforeExtraordinaryItemsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted | |
| 88 | Income (Loss) from Operations before Extraordinary Items, Per Basic and Diluted Share, Total | Concept (Share) | For Period | us-gaap:IncomeLossFromOperationsBeforeExtraordinaryItemsPerBasicAndDilutedShare | |
| 89 | Income (Loss) from Operations before Extraordinary Items, Per Outstanding General Partnership Unit, Net of Tax, Total | Concept (Share) | For Period | us-gaap:IncomeLossFromOperationsBeforeExtraordinaryItemsPerOutstandingGeneralPartnershipUnitNetOfTax | |
| 90 | Income (Loss) from Operations before Extraordinary Items, Per Outstanding Limited Partnership and General Partnership Unit, Basic, Net of Tax, Total | Concept (Share) | For Period | us-gaap:IncomeLossFromOperationsBeforeExtraordinaryItemsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic | |
| 91 | Income (Loss) from Operations before Extraordinary Items, Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted, Net of Tax, Total | Concept (Share) | For Period | us-gaap:IncomeLossFromOperationsBeforeExtraordinaryItemsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDiluted | |
| 92 | Income (Loss) from Operations before Extraordinary Items, Per Outstanding Limited Partnership Unit, Basic, Net of Tax, Total | Concept (Share) | For Period | us-gaap:IncomeLossFromOperationsBeforeExtraordinaryItemsPerOutstandingLimitedPartnershipUnitBasicNetOfTax | |
| 93 | Income Tax Expense (Benefit), Extraordinary Items | Concept (Monetary) | For Period | Debit | us-gaap:IncomeTaxExpenseBenefitExtraordinaryItems |
| 94 | Other Extraordinary Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:OtherExtraordinaryGainLoss |
| 95 | Schedule of Extraordinary Items [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfExtraordinaryItemsTextBlock | |
| 96 | Tax Effect of Extraordinary Item, Gain (Loss) | Concept (Monetary) | For Period | Debit | us-gaap:TaxEffectOfExtraordinaryItem |