| Standard label: | Customer Refundable Fees, Revenue Recognized |
| Name: | us-gaap:CustomerRefundableFeesRevenueRecognized1 |
| Documentation: | Amount of revenue recognized attributable to customer refundable fees. |
| 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:CustomerRefundableFeesRevenueRecognized1 |
| Label | Role | Language |
| Customer Refundable Fees, Revenue Recognized | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |