cm:Concept: us-gaap:DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared
| Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared |
| us-gaap:DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared |
| Amount of equity impact of cash distributions declared to unit-holder of limited liability company (LLC). |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Debit |
| false |
| us-gaap:DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared |