| Standard label: | Net Investment in Direct Financing and Sales Type Leases |
| Name: | us-gaap:NetInvestmentInDirectFinancingAndSalesTypeLeases |
| Documentation: | The net amount due as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:NetInvestmentInDirectFinancingAndSalesTypeLeases |
| Label | Role | Language |
| Net Investment in Direct Financing and Sales Type Leases | http://www.xbrl.org/2003/role/label | en-US |
| Net Investment in Direct Financing and Sales Type Leases, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 840 30 50 4 (a) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 840 |