| Standard label: | Production Related Impairments or Charges | 
| Name: | us-gaap:ProductionRelatedImpairmentsOrCharges | 
| Documentation: | Nonrecurring impairment charges related to the write-off of production-related equipment and inventory. This tag is used when an Entity charges this cost to cost of goods sold. | 
| 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:ProductionRelatedImpairmentsOrCharges | 
| Label | Role | Language | 
| Production Related Impairments or Charges | http://www.xbrl.org/2003/role/label | en-US | 
| Production Related Impairments or Charges, Total | http://www.xbrl.org/2003/role/totalLabel | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03.2(a)) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 | 
| Part Of Roll Up: | 
| us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization |