| Standard label: | Environmental Exit Costs, Name of Property [Domain] |
| Name: | us-gaap:EnvironmentalExitCostsNameOfPropertyDomain |
| Documentation: | Name of the property being sold, disposed, or abandoned that requires remediation, site restoration, postclosure, monitoring commitments, or other exit costs as a result of unanticipated contamination of the assets. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EnvironmentalExitCostsNameOfPropertyDomain |
| Label | Role | Language |
| Environmental Exit Costs, Name of Property [Domain] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 450 20 S99 1 (SAB Topic 5.Y.Q4) | http://fasb.org/us-gaap/role/ref/legacyRef | 450 |