cm:Table: us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable
| Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] |
| us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable |
| Schedule, table or text reflecting pension and other postretirement benefit arrangements with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain amounts at designated future dates, usually including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period and the carrying amount as of the balance sheet date of the related liability. |
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| us-gaap:ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable |