cm:Concept: us-gaap:PlanOfReorganizationDescriptionOfDebtSecuritiesIssuedOrToBeIssued
| Plan of Reorganization, Description of Debt Securities Issued or to be Issued |
| us-gaap:PlanOfReorganizationDescriptionOfDebtSecuritiesIssuedOrToBeIssued |
| Description of the terms of debt securities to be issued to prepetition creditors in accordance with the plan of reorganization including the amount. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:PlanOfReorganizationDescriptionOfDebtSecuritiesIssuedOrToBeIssued |