| Standard label: | Advertising Costs, Capitalized Direct Response Advertising, Write-down |
| Name: | us-gaap:AdvertisingCostsCapitalizedDirectResponseAdvertisingWriteDown |
| Documentation: | The amount of any write-down of capitalized direct response advertising costs to net realizable value which is charged against earnings in the period. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:AdvertisingCostsCapitalizedDirectResponseAdvertisingWriteDown |
| Label | Role | Language |
| Advertising Costs, Capitalized Direct Response Advertising, Write-down | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 340 20 55 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 340 |
| FASB Accounting Standards Codification 340 20 50 1 (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 340 |