| Standard label: | Payments for (Proceeds from) Real Estate Held-for-investment |
| Name: | us-gaap:PaymentsForProceedsFromRealEstateHeldforinvestment |
| Documentation: | The net amount paid or received by the reporting entity associated with the purchase (sale) of real estate held for investment, as opposed to operating, purposes. |
| 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:PaymentsForProceedsFromRealEstateHeldforinvestment |
| Label | Role | Language |
| Payments for (Proceeds from) Real Estate Held-for-investment | http://www.xbrl.org/2003/role/label | en-US |
| Payments for (Proceeds from) Real Estate Held-for-investment, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 S99 3 (SX 210.12-04(a)) | http://www.xbrl.org/2009/role/commonPracticeRef | 235 |