| Name | TaxBasisOfInvestmentsCostForIncomeTaxPurposes |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Tax Basis of Investments, Cost for Income Tax Purposes | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The aggregate cost of investments for Federal income tax purposes. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | SEC Simplification | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2020 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2019-10 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2019-07 | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 946 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | S99 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 3 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (SX 210.6-03(h)(2)(iv)) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=120401367&loc=d3e600178-122990 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:InvestmentsOwnedFederalIncomeTaxNoteLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote | |
us-gaap:InvestmentsOwnedFederalIncomeTaxNoteLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable | |
us-gaap:InvestmentsOwnedFederalIncomeTaxNoteLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteScheduleOfInvestmentsTable |