Health Sciences Trust Investment Risks |
Dec. 31, 2025 |
|---|---|
| Health Sciences Trust | Risk Nondiversified Status [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Non-diversified risk. Adverse events affecting a particular issuer or group of issuers may magnify losses for non-diversified funds, which may invest a large portion of assets in any one issuer or a small number of issuers. |