cm:Concept: us-gaap:TemporaryEquityDividendsAdjustment
| Temporary Equity, Dividends, Adjustment |
| us-gaap:TemporaryEquityDividendsAdjustment |
| Accretion of temporary equity during the period due to cash, stock, and in-kind dividends. This item is an adjustment to net income necessary to derive net income apportioned to common stockholders and is to be distinguished from Temporary Equity, Accretion of Dividends (Temporary Equity, Accretion of Dividends). |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Debit |
| false |
| us-gaap:TemporaryEquityDividendsAdjustment |