cm:Concept: us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic |
us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic |
Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Debit |
false |
us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic |