cm:Concept: us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted
Participating Securities, Distributed and Undistributed Earnings (Loss), Diluted |
us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted |
Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the diluted 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:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted |