Alger Dynamic Opportunities Fund Expense Example, No Redemption - Class A C Shares [Member] - Alger Dynamic Opportunities Fund - Class C |
Oct. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 281 |
| Expense Example, No Redemption, 3 Years | 862 |
| Expense Example, No Redemption, 5 Years | 1,469 |
| Expense Example, No Redemption, 10 Years | $ 3,109 |