| Standard label: | Retail Land Sales, Estimated Cost of Major Improvements, Expenditure Dates |
| Name: | us-gaap:RetailLandSalesEstimatedCostOfMajorImprovementsExpenditureDates |
| Documentation: | The estimated dates of the expenditures for improvements for each major area from which sales are being made for each of the five years following the balance sheet date. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RetailLandSalesEstimatedCostOfMajorImprovementsExpenditureDates |
| Label | Role | Language |
| Retail Land Sales, Estimated Cost of Major Improvements, Expenditure Dates | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 976 330 50 1 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 976 |