| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Hierarchy] |
| DeferredCompensationArrangementWithIndividualPostretirementBenefits |
| PostEmploymentButPreRetirementCosts |
| Disclosure of information reflecting pension and other postretirement benefit arrangements with individuals. |
| Missing [Text Block] |
| Detail |
| [Hierarchy] |
| WIP |
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| us-gaap:DeferredCompensationArrangementWithIndividualDisclosurePostretirementBenefitsTextBlock |
| http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |