| Standard label: | Investment Company, Realized and Unrealized Gain (Loss) on Investment and Foreign Currency |
| Name: | us-gaap:InvestmentCompanyRealizedAndUnrealizedGainLossOnInvestmentAndForeignCurrency |
| Documentation: | Amount of realized and unrealized gain (loss) on investment, foreign currency translation and foreign currency denominated asset and liability. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:InvestmentCompanyRealizedAndUnrealizedGainLossOnInvestmentAndForeignCurrency |
| Label | Role | Language |
| Investment Company, Realized and Unrealized Gain (Loss) on Investment and Foreign Currency | http://www.xbrl.org/2003/role/label | en-US |
| Investment Company, Realized and Unrealized Gain (Loss) on Investment and Foreign Currency, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 946 220 45 6 (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |