| Standard label: | Obligation to Repurchase Receivables Sold [Member] |
| Name: | us-gaap:ObligationToRepurchaseReceivablesSoldMember |
| Documentation: | An agreement to repurchase receivables that have been sold to a third party, which exposes the entity to collection loss. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ObligationToRepurchaseReceivablesSoldMember |
| Label | Role | Language |
| Obligation to Repurchase Receivables Sold [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 460 10 50 2 (c) | http://www.xbrl.org/2003/role/disclosureRef | 460 |