| Standard label: | Unusual Risk or Uncertainty, Nature [Axis] |
| Name: | us-gaap:UnusualRiskOrUncertaintyByNatureAxis |
| Documentation: | Information by nature of risk and uncertainty, for example, but not limited to, threat of expropriation of its assets by a foreign government, rapid technological obsolescence in the industry, risk of natural disaster from earthquake or weather events, and availability of or continuation of a labor force at a reasonable cost. |
| Object type: | cm:Axis |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:UnusualRiskOrUncertaintyByNatureAxis |
| Label | Role | Language |
| Unusual Risk or Uncertainty, Nature [Axis] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |