| Standard label: | Investment Company, Gain (Loss) on in-kind Redemption | 
| Name: | us-gaap:InvestmentCompanyGainLossOnInKindRedemption | 
| Documentation: | Amount of gain (loss) on redemption of investment company shares or units by payment in portfolio securities. | 
| 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:InvestmentCompanyGainLossOnInKindRedemption | 
| Label | Role | Language | 
| Investment Company, Gain (Loss) on in-kind Redemption | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 946 220 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |