cm:Concept: us-gaap:IncomeLossFromContinuingOperationsPerOutstandingGeneralPartnershipUnitNetOfTax
| Income (Loss) from Continuing Operations, Per Outstanding General Partnership Unit, Net of Tax |
| us-gaap:IncomeLossFromContinuingOperationsPerOutstandingGeneralPartnershipUnitNetOfTax |
| Per unit of ownership amount after tax of income (loss) from continuing operations available to general partnership (GP) unit-holder in a publicly trade limited partnership (LP) or master limited partnership (MLP). |
| cm:Concept |
| Share (num:perShareItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:IncomeLossFromContinuingOperationsPerOutstandingGeneralPartnershipUnitNetOfTax |