cm:Concept: us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod
Contract with Customer, Performance Obligation Satisfied in Previous Period |
us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod |
Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod |