| Standard label: | Direct Financing Lease, Net Investment in Lease, Sale |
| Name: | us-gaap:DirectFinancingLeaseNetInvestmentInLeaseSale |
| Documentation: | Amount of decrease from sale of net investment in direct financing lease. |
| 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:DirectFinancingLeaseNetInvestmentInLeaseSale |
| Label | Role | Language |
| Direct Financing Lease, Net Investment in Lease, Sale | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 326 20 50 11 (i) | http://www.xbrl.org/2003/role/disclosureRef | 326 |