| Standard label: | Investment Company, Realized and Unrealized Gain (Loss), Description of Difference |
| Name: | us-gaap:InvestmentCompanyRealizedAndUnrealizedGainLossDescriptionOfDifference |
| Documentation: | Description of reason for difference between realized and unrealized gain (loss) on investment per share or unit and change in gain (loss) on investment. |
| 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:InvestmentCompanyRealizedAndUnrealizedGainLossDescriptionOfDifference |
| Label | Role | Language |
| Investment Company, Realized and Unrealized Gain (Loss), Description of Difference | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 946 205 50 7 (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |