| Standard label: | Substantial Doubt about Going Concern, Conditions or Events |
| Name: | us-gaap:SubstantialDoubtAboutGoingConcernConditionsOrEvents |
| Documentation: | Description of principal conditions or events that raised substantial doubt about the ability to continue as a going concern. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:SubstantialDoubtAboutGoingConcernConditionsOrEvents |
| Label | Role | Language |
| Substantial Doubt about Going Concern, Conditions or Events | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 205 40 50 12 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |
| FASB Accounting Standards Codification 205 40 50 13 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |