| Standard label: | Retail Land Sales, Installment Method, Sales Value |
| Name: | us-gaap:RetailLandSalesInstallmentMethodSalesValue |
| Documentation: | Amount of sales related to retail land transactions accounted for under the installment method. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RetailLandSalesInstallmentMethodSalesValue |
| Label | Role | Language |
| Retail Land Sales, Installment Method, Sales Value | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 360 20 55 10 | http://fasb.org/us-gaap/role/ref/legacyRef | 360 |