| Standard label: | Financing Receivable, Past Due |
| Name: | us-gaap:FinancingReceivableRecordedInvestmentPastDue |
| Documentation: | Amount of financing receivable past due. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FinancingReceivableRecordedInvestmentPastDue |
| Label | Role | Language |
| Financing Receivable, Past Due | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 310 10 50 7A | http://fasb.org/us-gaap/role/ref/legacyRef | 310 |
| FASB Accounting Standards Codification 326 20 50 14 | http://www.xbrl.org/2003/role/disclosureRef | 326 |
| FASB Accounting Standards Codification 326 20 55 80 | http://www.xbrl.org/2003/role/exampleRef | 326 |