| Standard label: | Income (Loss) from Continuing Operations, Per Basic Share | 
| Name: | us-gaap:IncomeLossFromContinuingOperationsPerBasicShare | 
| Documentation: | The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. | 
| Object type: | cm:Concept | 
| Data type: | Share (num:perShareItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:IncomeLossFromContinuingOperationsPerBasicShare | 
| Label | Role | Language | 
| Income (Loss) from Continuing Operations, Per Basic Share | http://www.xbrl.org/2003/role/label | en-US | 
| Income (Loss) from Continuing Operations, Per Outstanding Share, Total | http://www.xbrl.org/2003/role/totalLabel | en-US | 
| Part Of Roll Up: | 
| us-gaap:EarningsPerShareBasic |