| Standard label: | Investment Company, Fee Paid Indirectly | 
| Name: | us-gaap:InvestmentCompanyFeePaidIndirectly | 
| Documentation: | Amount that would have been incurred for brokerage service had service been paid for directly in arm's-length transaction. | 
| 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:InvestmentCompanyFeePaidIndirectly | 
| Label | Role | Language | 
| Investment Company, Fee Paid Indirectly | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 946 20 45 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |