cm:Member: us-gaap:UnclassifiedIndefinitelivedIntangibleAssetsMember
Unclassified Indefinite-lived Intangible Assets [Member] |
us-gaap:UnclassifiedIndefinitelivedIntangibleAssetsMember |
Costs of contractual or legal rights meeting the criteria for capitalization as intangible assets apart from goodwill, which have indefinite life and that are not otherwise specified in the taxonomy. |
cm:Member |
[Member] (nonnum:domainItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:UnclassifiedIndefinitelivedIntangibleAssetsMember |