| Standard label: | Guarantor Obligations, Related Party Disclosure |
| Name: | us-gaap:GuaranteeObligationsRelatedPartyDisclosure |
| Documentation: | Describes certain required disclosures for those guarantees that are issued to benefit entities meeting the definition of a related party. |
| 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:GuaranteeObligationsRelatedPartyDisclosure |
| Label | Role | Language |
| Guarantor Obligations, Related Party Disclosure | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 460 10 50 6 | http://fasb.org/us-gaap/role/ref/legacyRef | 460 |
| FASB Accounting Standards Codification 850 10 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 850 |