Alger Growth and Income Fund Expense Example - Class A C Shares [Member] - Alger Growth and Income Fund |
Oct. 31, 2025
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 615 |
| Expense Example, with Redemption, 3 Years | 806 |
| Expense Example, with Redemption, 5 Years | 1,013 |
| Expense Example, with Redemption, 10 Years | 1,608 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 271 |
| Expense Example, with Redemption, 3 Years | 530 |
| Expense Example, with Redemption, 5 Years | 913 |
| Expense Example, with Redemption, 10 Years | $ 1,987 |