cm:Level2TextBlock: us-gaap:ComparabilityOfPriorYearFinancialData
Comparability of Prior Year Financial Data, Policy [Policy Text Block] |
us-gaap:ComparabilityOfPriorYearFinancialData |
Disclosure of accounting policy for reporting any exceptions to the comparability of prior year financial data with data shown for the most recent accounting period. |
cm:Level2TextBlock |
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For Period (duration) |
(no balance type) |
false |
us-gaap:ComparabilityOfPriorYearFinancialData |