cm:Level3TextBlock: us-gaap:ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Cash, Cash Equivalents and Investments [Table Text Block] |
us-gaap:ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock |
Tabular disclosure of the components of cash, cash equivalents, and investments. |
cm:Level3TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock |
CashAndCashEquivalentsDetails |