Alger Dynamic Opportunities Fund Expense Example - Class A C Shares [Member] - Alger Dynamic Opportunities Fund |
Oct. 31, 2025
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 717 |
| Expense Example, with Redemption, 3 Years | 1,120 |
| Expense Example, with Redemption, 5 Years | 1,546 |
| Expense Example, with Redemption, 10 Years | 2,730 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 381 |
| Expense Example, with Redemption, 3 Years | 862 |
| Expense Example, with Redemption, 5 Years | 1,469 |
| Expense Example, with Redemption, 10 Years | $ 3,109 |