| Standard label: | Prepaid Stored-value Products, Breakage, Significant Judgment |
| Name: | us-gaap:PrepaidStoredValueProductsBreakageSignificantJudgment |
| Documentation: | Description of judgment made in applying breakage methodology for unredeemed portion of dollar value of prepaid stored-value products. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:PrepaidStoredValueProductsBreakageSignificantJudgment |
| Label | Role | Language |
| Prepaid Stored-value Products, Breakage, Significant Judgment | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 405 20 50 2 | http://www.xbrl.org/2003/role/disclosureRef | 405 |