cm:Concept: us-gaap:IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple
Income Tax Effects Allocated Directly to Equity, Cumulative Effect of Change in Accounting Principle |
us-gaap:IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple |
Amount of cumulative tax effect on beginning retained earnings from change in accounting principle. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Debit |
false |
us-gaap:IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple |