| Standard label: | Payments for Restructuring | 
| Name: | us-gaap:PaymentsForRestructuring | 
| Documentation: | Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. | 
| 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:PaymentsForRestructuring | 
| Label | Role | Language | 
| Payments for Restructuring | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 230 10 45 17 (f) | http://www.xbrl.org/2009/role/commonPracticeRef | 230 | 
| FASB Accounting Standards Codification 420 10 50 1 (b)(2) | http://www.xbrl.org/2003/role/disclosureRef | 420 | 
| Part Of Roll Up: | 
| us-gaap:PaymentsForOperatingActivities |