S000038959 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500 Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% |
| Midas Special Opportunities | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 29.87% | 18.25% | 15.32% |
| Midas Special Opportunities | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 27.35% | 16.79% | 13.68% |
| Midas Special Opportunities | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 19.01% | 14.46% | 12.25% |