v3.25.4
S000009914 [Member] Investment Objectives and Goals - AMG GW&K Core Bond ESG Fund
Oct. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] AMG GW&K Core Bond ESG Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The AMG GW&K Core Bond ESG Fund's (the "Fund") investment objective is to generate income and capital appreciation.