cm:Concept: us-gaap:DisclosureOfMeasurementForFinancialAssetsLiabilitiesOfConsolidatedCollateralizedFinancingEntity
Disclosure of Measurement for Financial Asset (Liability) of Consolidated Collateralized Financing Entity [true false] |
us-gaap:DisclosureOfMeasurementForFinancialAssetsLiabilitiesOfConsolidatedCollateralizedFinancingEntity |
Indicates (true false) whether measurement for less observable fair value of financial asset and liability of collateralized financing entity was based on more observable fair value of financial asset and liability. |
cm:Concept |
Yes/No (xbrli:booleanItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:DisclosureOfMeasurementForFinancialAssetsLiabilitiesOfConsolidatedCollateralizedFinancingEntity |