| Standard label: | Investment Company, Distributable Earnings (Loss), Accumulated Long-term Capital Gain (Loss) |
| Name: | us-gaap:InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalGainLoss |
| Documentation: | Amount of accumulated undistributed earnings (deficit) from long-term capital gain (loss) of investment company. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalGainLoss |
| Label | Role | Language |
| Investment Company, Distributable Earnings (Loss), Accumulated Long-term Capital Gain (Loss) | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 946 20 50 11 | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |
| FASB Accounting Standards Codification 946 20 50 12 | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |