IndexManagement and Investment Advisory Fees, Policy [Policy Text Block]
| Name | ManagementAndInvestmentAdvisoryFeesPolicy |
|---|---|
| Namespace | http://fasb.org/us-gaap/2022 |
| Prefix | us-gaap |
| Data type | dtr-types:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Management and Investment Advisory Fees, Policy [Policy Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure of accounting policy for the recognition of fees for investment advise, research, administrative and investment account management services provided to customers by broker dealers. This fee is generally based on the net assets of the fund or the account. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |