| Standard label: | Own-share Lending Arrangement, Reasons |
| Name: | us-gaap:OwnshareLendingArrangementReasons |
| Documentation: | Describes the entity's reasons for entering into an own-share lending arrangement, in contemplation of a convertible debt offering or other financing. |
| 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:OwnshareLendingArrangementReasons |
| Label | Role | Language |
| Own-share Lending Arrangement, Reasons | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 20 50 2A (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 470 |