| Standard label: | Retail Land Sales Receivables, Stated Interest Rate |
| Name: | us-gaap:RetailLandSalesReceivablesStatedInterestRate |
| Documentation: | Percentage of stated interest rate for receivables from retail land sales. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RetailLandSalesReceivablesStatedInterestRate |
| Label | Role | Language |
| Retail Land Sales Receivables, Stated Interest Rate | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 976 310 50 1 (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 976 |