cm:Level3TextBlock: us-gaap:ScheduleOfExtinguishmentOfDebtTextBlock
Schedule of Extinguishment of Debt [Table Text Block] |
us-gaap:ScheduleOfExtinguishmentOfDebtTextBlock |
Tabular disclosure of debt extinguished which may include, amount of gain (loss), the income tax effect and the per share amount of the aggregate gain (loss), net of the related income tax. |
cm:Level3TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ScheduleOfExtinguishmentOfDebtTextBlock |
ExtinguishmentOfDebt |