| Standard label: | Variable Interest Entity, Qualitative or Quantitative Information, Size of VIE |
| Name: | us-gaap:VariableInterestEntityVIESizeOfVIE |
| Documentation: | Size of the Variable Interest Entity (VIE), such as small, medium, or large in relation to certain benchmarks, or a stated measure such as number of employees, assets, net assets, revenues, or expenses. |
| 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:VariableInterestEntityVIESizeOfVIE |
| Label | Role | Language |
| Variable Interest Entity, Qualitative or Quantitative Information, Size of VIE | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 810 10 50 5A (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |
| FASB Accounting Standards Codification 810 10 50 4 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |
| FASB Accounting Standards Codification 810 10 50 6 b | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |
| FASB Accounting Standards Codification 810 10 50 16 (c,d) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |