| Standard label: | Escrow Deposits Related to Property Sales |
| Name: | us-gaap:EscrowDepositsRelatedToPropertySales |
| Documentation: | Escrow deposits related to property sales in noncash investing and financing activities. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EscrowDepositsRelatedToPropertySales |
| Label | Role | Language |
| Escrow Deposits Related to Property Sales | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 230 10 50 4 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 230 10 50 5 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |