cm:Concept: us-gaap:OperatingSupportFromAdviserDescription
| Operating Support from Adviser, Description |
| us-gaap:OperatingSupportFromAdviserDescription |
| Describes the relationship between the real estate investment trust (REIT) and its Adviser and the nature of the support provided by the Adviser (such as reduction of fees, forgiving indebtedness, providing a better than market return on a related party transaction) to help the REIT achieve a certain return for certain periods. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:OperatingSupportFromAdviserDescription |