| Standard label: | Lease Income |
| Name: | us-gaap:LeaseIncome |
| Documentation: | Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. |
| 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:LeaseIncome |
| Label | Role | Language |
| Lease Income | http://www.xbrl.org/2003/role/label | en-US |
| Lease Income, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 842 30 50 5 | http://www.xbrl.org/2003/role/disclosureRef | 842 |