cm:Concept: us-gaap:FairValueMeasurementsNonrecurringMeasurementPeriod
Fair Value Measurements, Nonrecurring, Measurement Period |
us-gaap:FairValueMeasurementsNonrecurringMeasurementPeriod |
Description of period in which nonrecurring fair value measurement is taken. For example, but not limited to, the month or quarter in which the measurement is taken. |
cm:Concept |
Text/String (xbrli:stringItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:FairValueMeasurementsNonrecurringMeasurementPeriod |