Class I and Class Z [Member] Expense Example - Class I and Class Z [Member] - AMG Yacktman Special Opportunities Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Class Z | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 88 |
| Expense Example, with Redemption, 3 Years | 343 |
| Expense Example, with Redemption, 5 Years | 618 |
| Expense Example, with Redemption, 10 Years | 1,403 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 98 |
| Expense Example, with Redemption, 3 Years | 374 |
| Expense Example, with Redemption, 5 Years | 672 |
| Expense Example, with Redemption, 10 Years | $ 1,517 |