| Standard label: | Prepaid Royalties |
| Name: | us-gaap:PrepaidRoyalties |
| Documentation: | Amount of asset related to consideration paid in advance for royalties that provide economic benefits within a future period of one year or the normal operating cycle, if longer. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:PrepaidRoyalties |
| Label | Role | Language |
| Prepaid Royalties | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 45 1 (g)(5) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 210 10 45 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 340 10 05 4 | http://fasb.org/us-gaap/role/ref/legacyRef | 340 |
| FASB Accounting Standards Codification 340 10 05 5 | http://fasb.org/us-gaap/role/ref/legacyRef | 340 |
| Part Of Roll Up: |
| us-gaap:PrepaidExpenseCurrent |