cm:Concept: us-gaap:RepaymentsOfRelatedPartyDebt
| Repayments of Related Party Debt |
| us-gaap:RepaymentsOfRelatedPartyDebt |
| The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Credit |
| false |
| us-gaap:RepaymentsOfRelatedPartyDebt |