| Standard label: | Royalty Arrangement [Member] |
| Name: | us-gaap:RoyaltyArrangementMember |
| Documentation: | Category of deferred revenue by arrangement wherein certain rights are granted to exploit one or more products, under which royalties received are taken into income as revenue recognition criteria are met. |
| 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:RoyaltyArrangementMember |
| Label | Role | Language |
| Royalty Arrangement [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |