Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 172 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
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% | |
| Dow Jones U.S. Thematic Market Neutral Low Beta Index (reflects no deduction for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | (22.49%) | (4.70%) | (2.79%) | |
| AGF U.S. Market Neutral Anti-Beta Fund [Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | (20.60%) | (3.06%) | (2.21%) | |
| Performance Inception Date | Sep. 12, 2011 | |||
| AGF U.S. Market Neutral Anti-Beta Fund [Member] | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | (21.16%) | (3.87%) | (2.65%) | |
| AGF U.S. Market Neutral Anti-Beta Fund [Member] | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | (11.96%) | (2.46%) | (1.71%) |