| Standard label: | Substantial Doubt about Going Concern, within One Year [true false] |
| Name: | us-gaap:SubstantialDoubtAboutGoingConcernWithinOneYear |
| Documentation: | Indicates (true false) whether there was substantial doubt about ability to continue as going concern within one year after date financial statements are issued. |
| Object type: | cm:Concept |
| Data type: | Yes/No (xbrli:booleanItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:SubstantialDoubtAboutGoingConcernWithinOneYear |
| Label | Role | Language |
| Substantial Doubt about Going Concern, within One Year [true false] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 205 40 50 13 | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |