| Standard label: | Number of Real Estate Properties, Fee Simple |
| Name: | us-gaap:NumberOfRealEstatePropertiesFeeSimple |
| Documentation: | The number of real estate properties owned as of the statement of financial position to which the entity has fee simple title. |
| Object type: | cm:Concept |
| Data type: | Integer (xbrli:integerItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:NumberOfRealEstatePropertiesFeeSimple |
| Label | Role | Language |
| Number of Real Estate Properties, Fee Simple | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |