| Standard label: | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Intercompany Profit in Loan Amount |
| Name: | us-gaap:MortgageLoansOnRealEstateIntercompanyProfitsInCarryingAmountOfLoans |
| Documentation: | Amount of intercompany profit included in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. |
| 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:MortgageLoansOnRealEstateIntercompanyProfitsInCarryingAmountOfLoans |
| Label | Role | Language |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Intercompany Profit in Loan Amount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 948 310 S99 1 (SX 210.12-29(Footnote 9)) | http://www.xbrl.org/2003/role/disclosureRef | 948 |