| Standard label: | Customer Concentration Risk [Member] |
| Name: | us-gaap:CustomerConcentrationRiskMember |
| Documentation: | Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues. The risk is the materially adverse effects of loss of a significant customer. |
| 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:CustomerConcentrationRiskMember |
| Label | Role | Language |
| Customer Concentration Risk [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 275 10 50 18 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 275 |