| Standard label: | Retained Investment, Deconsolidated Subsidiary, Measurement Input |
| Name: | us-gaap:RetainedInvestmentDeconsolidatedSubsidiaryMeasurementInput |
| Documentation: | Value of input used to measure direct or indirect retained investment in deconsolidated subsidiary. |
| Object type: | cm:Concept |
| Data type: | Decimal (xbrli:decimalItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RetainedInvestmentDeconsolidatedSubsidiaryMeasurementInput |
| Label | Role | Language |
| Retained Investment, Deconsolidated Subsidiary, Measurement Input | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 810 10 50 1B (e) | http://www.xbrl.org/2003/role/disclosureRef | 810 |