cm:Level1TextBlock: us-gaap:FairValueMeasurementInputsDisclosureTextBlock
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] |
us-gaap:FairValueMeasurementInputsDisclosureTextBlock |
The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. |
cm:Level1TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
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(no balance type) |
false |
us-gaap:FairValueMeasurementInputsDisclosureTextBlock |
FairValueMeasurementInputsDisclosure |