| Name | RetailLandSalesMaturityOfAccountsReceivableRollingYearFive |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Retail Land Sales, Maturity of Accounts Receivable, Rolling Year Five | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of accounts receivable from retail land sales to be collected in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:RetailLandSalesMaturityOfAccountsReceivableRollingMaturityAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/RealEstate | |
us-gaap:RetailLandSalesMaturityOfAccountsReceivableRollingMaturityAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/RealEstate |