| Standard label: | Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down |
| Name: | us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown |
| Documentation: | Reflects the amount of the write-down related to a troubled debt restructuring. |
| 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:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown |
| Label | Role | Language |
| Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 310 40 50 4 | http://fasb.org/us-gaap/role/ref/legacyRef | 310 |