cm:Concept: us-gaap:TimeSharingTransactionsSellersPoliciesWithRespectToMeetingCriteriaForBuyersCommitment
| Time Sharing Transactions, Seller's Policies with Respect to Meeting Criteria for Buyer's Commitment |
| us-gaap:TimeSharingTransactionsSellersPoliciesWithRespectToMeetingCriteriaForBuyersCommitment |
| Tests and methods used to evaluate whether buyer's initial and continuing investments are adequate to demonstrate a commitment to pay. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:TimeSharingTransactionsSellersPoliciesWithRespectToMeetingCriteriaForBuyersCommitment |