cm:Concept: us-gaap:GeneralPartnersCumulativeNetIncome
| General Partners' Cumulative Earnings |
| us-gaap:GeneralPartnersCumulativeNetIncome |
| Aggregate cumulative earnings allocated to the general partner based on the sharing of income or losses between general and limited partners as specified in the partnership agreement, excluding any priority income allocations resulting from incentive distributions or any special earnings allocations. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:GeneralPartnersCumulativeNetIncome |