| Standard label: | SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross |
| Name: | us-gaap:RealEstateGrossAtCarryingValue |
| Documentation: | Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RealEstateGrossAtCarryingValue |
| Label | Role | Language |
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross | http://www.xbrl.org/2003/role/label | en-US |
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 970 360 S99 1 (SX 210.12-28(Column E)) | http://www.xbrl.org/2003/role/disclosureRef | 970 |