cm:Concept: us-gaap:UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesDiluted
Undistributed Continuing Operation Earnings (Loss), Allocation to Participating Securities, Diluted |
us-gaap:UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesDiluted |
Amount of undistributed earnings (loss) from continuing operations allocated to participating securities for diluted earnings (loss) per share or per unit calculation under two-class method. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Debit |
false |
us-gaap:UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesDiluted |