| Line | Label | Object Class | Period Type | Balance | Report ElementName |
|---|---|---|---|---|---|
| 1 | 705000 - Disclosure - Compensation Related Costs, General | [Network] | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral | ||
| 2 | Compensation Related Costs [Abstract] | Abstract | us-gaap:CompensationRelatedCostsAbstract | ||
| 3 | Compensation Related Costs, General [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:CompensationRelatedCostsGeneralTextBlock | |
| 4 | Compensated Absences Not Accrued | Concept (Text/String) | For Period | us-gaap:CompensatedAbsencesNotAccrued | |
| 5 | Compensated Absences Liability [Abstract] | Abstract | us-gaap:CompensatedAbsencesLiabilityAbstract | ||
| 6 | Accrued Vacation | Concept (Monetary) | As Of | Credit | us-gaap:AccruedVacationCurrentAndNoncurrent |
| 7 | Compensated Absences Liability, Sabbatical Leave | Concept (Monetary) | As Of | Credit | us-gaap:CompensatedAbsencesLiabilitySabbaticalLeave |
| 8 | Compensated Absences Liability, Total | Concept (Monetary) | As Of | Credit | us-gaap:CompensatedAbsencesLiability |
| 9 | Deferred Compensation Liability [Abstract] | Abstract | us-gaap:DeferredCompensationLiabilityAbstract | ||
| 10 | Deferred Compensation Liability, Current [Abstract] | Abstract | us-gaap:DeferredCompensationLiabilityCurrentAbstract | ||
| 11 | Deferred Compensation Share-based Arrangements, Liability, Current | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent |
| 12 | Deferred Compensation Cash-based Arrangements, Liability, Current | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationCashBasedArrangementsLiabilityCurrent |
| 13 | Other Deferred Compensation Arrangements, Liability, Current | Concept (Monetary) | As Of | Credit | us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrent |
| 14 | Deferred Compensation Liability, Current, Total | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationLiabilityCurrent |
| 15 | Deferred Compensation Liability, Classified, Noncurrent [Abstract] | Abstract | us-gaap:DeferredCompensationLiabilityClassifiedNoncurrentAbstract | ||
| 16 | Deferred Compensation Share-based Arrangements, Liability, Classified, Noncurrent | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent |
| 17 | Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent |
| 18 | Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent | Concept (Monetary) | As Of | Credit | us-gaap:OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent |
| 19 | Deferred Compensation Liability, Classified, Noncurrent, Total | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent |
| 20 | Deferred Compensation Liability, Current and Noncurrent [Abstract] | Abstract | us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrentAbstract | ||
| 21 | Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent |
| 22 | Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent |
| 23 | Other Deferred Compensation Arrangements, Liability, Current and Noncurrent | Concept (Monetary) | As Of | Credit | us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent |
| 24 | Deferred Compensation Liability, Current and Noncurrent, Total | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent |
| 25 | Deferred Compensation Arrangements [Abstract] | Abstract | us-gaap:DeferredCompensationArrangementsAbstract | ||
| 26 | Deferred Compensation Arrangements, Overall, Description | Concept (Text/String) | For Period | us-gaap:DeferredCompensationArrangementsOverallDescription | |
| 27 | Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTextBlock | |
| 28 | Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] | Table | us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable | ||
| 29 | Title of Individual [Axis] | Axis | us-gaap:TitleOfIndividualAxis | ||
| 30 | Relationship to Entity [Domain] | Member | us-gaap:TitleOfIndividualWithRelationshipToEntityDomain | ||
| 31 | Management [Member] | Member | us-gaap:ManagementMember | ||
| 32 | Board of Directors Chairman [Member] | Member | us-gaap:BoardOfDirectorsChairmanMember | ||
| 33 | Director [Member] | Member | us-gaap:DirectorMember | ||
| 34 | Executive Officer [Member] | Member | us-gaap:ExecutiveOfficerMember | ||
| 35 | Chief Executive Officer [Member] | Member | us-gaap:ChiefExecutiveOfficerMember | ||
| 36 | Chief Financial Officer [Member] | Member | us-gaap:ChiefFinancialOfficerMember | ||
| 37 | Chief Operating Officer [Member] | Member | us-gaap:ChiefOperatingOfficerMember | ||
| 38 | Controller [Member] | Member | us-gaap:ControllerMember | ||
| 39 | Executive Vice President [Member] | Member | us-gaap:ExecutiveVicePresidentMember | ||
| 40 | Vice President [Member] | Member | us-gaap:VicePresidentMember | ||
| 41 | President [Member] | Member | us-gaap:PresidentMember | ||
| 42 | Officer [Member] | Member | us-gaap:OfficerMember | ||
| 43 | Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] | Axis | us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis | ||
| 44 | Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] | Member | us-gaap:DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain | ||
| 45 | Deferred Compensation, Excluding Share-based Payments and Retirement Benefits [Member] | Member | us-gaap:DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember | ||
| 46 | Deferred Profit Sharing [Member] | Member | us-gaap:DeferredProfitSharingMember | ||
| 47 | Deferred Bonus [Member] | Member | us-gaap:DeferredBonusMember | ||
| 48 | Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] | LineItems | us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems | ||
| 49 | Deferred Compensation Arrangement with Individual, Description | Concept (Text/String) | For Period | us-gaap:DeferredCompensationArrangementWithIndividualDescription | |
| 50 | Deferred Compensation Arrangement with Individual, Maximum Contractual Term | Concept (xbrli:durationItemType) | For Period | us-gaap:DeferredCompensationArrangementWithIndividualMaximumContractualTerm1 | |
| 51 | Deferred Compensation Arrangement with Individual, Requisite Service Period | Concept (xbrli:durationItemType) | For Period | us-gaap:DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1 | |
| 52 | Deferred Compensation Arrangement with Individual, Compensation Expense | Concept (Monetary) | For Period | Debit | us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense |
| 53 | Deferred Compensation Arrangement with Individual, Recorded Liability | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability |
| 54 | Deferred Compensation Arrangement with Individual, Employer Contribution | Concept (Monetary) | For Period | Debit | us-gaap:DeferredCompensationArrangementWithIndividualEmployerContribution |
| 55 | Deferred Compensation Arrangement with Individual, Distributions Paid | Concept (Monetary) | As Of | Debit | us-gaap:DeferredCompensationArrangementWithIndividualDistributionsPaid |
| 56 | Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount | Concept (Monetary) | As Of | Credit | us-gaap:DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount |
| 57 | Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage | Concept (Percent) | For Period | us-gaap:DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentage | |
| 58 | Deferred Compensation Arrangement with Individual, Allocated Share-based Compensation Expense | Concept (Monetary) | For Period | Debit | us-gaap:DeferredCompensationArrangementWithIndividualAllocatedShareBasedCompensationExpense |
| 59 | Income Statement Compensation Items [Abstract] | Abstract | us-gaap:IncomeStatementCompensationItemsAbstract | ||
| 60 | Labor and Related Expense [Abstract] | Abstract | us-gaap:LaborAndRelatedExpenseAbstract | ||
| 61 | Salaries, Wages and Officers' Compensation [Abstract] | Abstract | us-gaap:SalariesWagesAndOfficersCompensationAbstract | ||
| 62 | Compensation | Concept (Monetary) | For Period | Debit | us-gaap:SalariesAndWages |
| 63 | Officers' Compensation | Concept (Monetary) | For Period | Debit | us-gaap:OfficersCompensation |
| 64 | Salaries, Wages and Officers' Compensation, Total | Concept (Monetary) | For Period | Debit | us-gaap:SalariesWagesAndOfficersCompensation |
| 65 | Allocated Share-based Compensation Expense | Concept (Monetary) | For Period | Debit | us-gaap:AllocatedShareBasedCompensationExpense |
| 66 | Pension and Other Postretirement Benefit Expense | Concept (Monetary) | For Period | Debit | us-gaap:PensionAndOtherPostretirementBenefitExpense |
| 67 | Other Labor-related Expenses | Concept (Monetary) | For Period | Debit | us-gaap:OtherLaborRelatedExpenses |
| 68 | Labor and Related Expense, Total | Concept (Monetary) | For Period | Debit | us-gaap:LaborAndRelatedExpense |