| Standard label: | Depreciation and Amortization, Discontinued Operations |
| Name: | us-gaap:DepreciationAndAmortizationDiscontinuedOperations |
| Documentation: | Amount of deprecation and amortization expense attributable to property, plant and equipment and intangible assets of discontinued operations. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DepreciationAndAmortizationDiscontinuedOperations |
| Label | Role | Language |
| Depreciation and Amortization, Discontinued Operations | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 205 20 50 5B (c)(2) | http://www.xbrl.org/2003/role/disclosureRef | 205 |
| FASB Accounting Standards Codification 230 10 45 28 (b) | http://www.xbrl.org/2009/role/commonPracticeRef | 230 |