| Standard label: | Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation |
| Name: | us-gaap:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation |
| Documentation: | The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. |
| 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:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation |
| Label | Role | Language |
| Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 840 10 55 40 (Note 2) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 840 |
| FASB Accounting Standards Codification 840 30 45 1 | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 840 |