| Standard label: | Operating Lease, Residual Value of Leased Asset |
| Name: | us-gaap:OperatingLeaseResidualValueOfLeasedAsset |
| Documentation: | Amount of residual asset covered by residual value guarantee under operating lease. Excludes guarantee considered to be lease payments for lessor. |
| 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:OperatingLeaseResidualValueOfLeasedAsset |
| Label | Role | Language |
| Operating Lease, Residual Value of Leased Asset | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 842 30 50 3 (b)(3) | http://www.xbrl.org/2003/role/disclosureRef | 842 |