| Standard label: | Advertising Barter Transactions, Advertising Barter Revenue |
| Name: | us-gaap:AdvertisingBarterTransactionsAdvertisingBarterRevenue |
| Documentation: | Total revenue recognized from advertising barter transactions for each income statement presented. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:AdvertisingBarterTransactionsAdvertisingBarterRevenue |
| Label | Role | Language |
| Advertising Barter Transactions, Advertising Barter Revenue | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |