| Standard label: | Deferred Revenue, Refund Payments |
| Name: | us-gaap:DeferredRevenueRefundPayments1 |
| Documentation: | Amount of cash outflow to customers for refund payments of revenue that was previously reported as deferred or unearned revenue. |
| 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:DeferredRevenueRefundPayments1 |
| Label | Role | Language |
| Deferred Revenue, Refund Payments | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |