| Name | InvestmentOwnedRestrictedAcquisitionDate |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:dateItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Investment Owned, Restricted, Acquisition Date | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Date of acquisition for owned restricted investments, in CCYY-MM-DD format. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 946 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 320 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | S99 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (SX 210.12-12(6)(a)(1)) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=120401592&loc=d3e611133-123010 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:InvestmentHoldingsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings | |
us-gaap:InvestmentHoldingsLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings | |
us-gaap:InvestmentHoldingsLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldingsScheduleOfInvestmentsTable | |
us-gaap:SummaryOfInvestmentHoldingsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings | |
us-gaap:SummaryOfInvestmentHoldingsLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings | |
us-gaap:SummaryOfInvestmentHoldingsLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldingsScheduleOfInvestmentsTable |