| Standard label: | Common Stock, Terms of Conversion | 
| Name: | us-gaap:CommonStockConversionFeatures | 
| Documentation: | Description of common stock conversion feature. Includes, but is not limited to, conversion price; conversion right; timing of right; terms, event or change in circumstance causing contingency to be met or adjustment to conversion price or number of shares; manner of settlement upon conversion; and method of settlement. | 
| 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:CommonStockConversionFeatures | 
| Label | Role | Language | 
| Common Stock, Terms of Conversion | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 505 10 50 3 | http://www.xbrl.org/2003/role/disclosureRef | 505 | 
| FASB Accounting Standards Codification 505 10 50 6 (a) | http://www.xbrl.org/2003/role/disclosureRef | 505 | 
| FASB Accounting Standards Codification 505 10 50 6 (c) | http://www.xbrl.org/2003/role/disclosureRef | 505 | 
| FASB Accounting Standards Codification 505 10 50 6 (d) | http://www.xbrl.org/2003/role/disclosureRef | 505 |