| Standard label: | Debt Instrument, Third Party Credit Enhancement |
| Name: | us-gaap:DebtInstrumentThirdPartyCreditEnhancement |
| Documentation: | Disclosure of the existence of a third-party credit enhancement on the entity's issued liability. |
| 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:DebtInstrumentThirdPartyCreditEnhancement |
| Label | Role | Language |
| Debt Instrument, Third Party Credit Enhancement | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 820 10 50 4A | http://fasb.org/us-gaap/role/ref/legacyRef | 820 |