| Standard label: | Customer Refundable Fees, Proceeds |
| Name: | us-gaap:CustomerRefundableFeesProceeds |
| Documentation: | Amount of cash inflow from customers for revenue related transactions that are refundable to the customers and do not meet the criteria for revenue recognition. |
| 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:CustomerRefundableFeesProceeds |
| Label | Role | Language |
| Customer Refundable Fees, Proceeds | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 45 25 (a) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 230 |