IndexInvestment Holdings, Other than Securities [Table Text Block]
| Name | InvestmentHoldingsOtherThanSecuritiesTextBlock |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Tabular disclosure of the investment holdings which are represented by other than securities (for example, commodities). The investment holdings, other than securities investments table lists the long positions of non-security investments held by entity. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Investment Holdings, Other than Securities [Table Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
References
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 946 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 320 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | S99 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 5D | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (SX 210.12-13D) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010 | http://www.xbrl.org/2009/role/commonPracticeRef |