| Standard label: | Capital Leases, Net Investment in Direct Financing Leases, Allowance for Uncollectible Minimum Lease Payments |
| Name: | us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesAllowanceForUncollectibleMinimumLeasePayments |
| Documentation: | The estimate of contractual payments on direct financing leases that are probable of not being collected as of the balance sheet date. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesAllowanceForUncollectibleMinimumLeasePayments |
| Label | Role | Language |
| Capital Leases, Net Investment in Direct Financing Leases, Allowance for Uncollectible Minimum Lease Payments | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 840 30 50 4 (a)(1)(ii) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 840 |