| Standard label: | Gain (Loss) on Sale of Financing Receivable |
| Name: | us-gaap:GainLossOnSaleOfNotesReceivable |
| Documentation: | Amount of gain (loss) on sale of financing receivable. |
| 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:GainLossOnSaleOfNotesReceivable |
| Label | Role | Language |
| Gain (Loss) on Sale of Financing Receivable | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 860 20 50 5 | http://www.xbrl.org/2003/role/disclosureRef | 860 |