v3.26.1
Shareholder Report, Line Graph (Details) 196049_Frontier MFG Global Sustainable Fund_Institutional Class_TSR Annual {Institutional Class} - USD ($)
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Oct. 09, 2019
Jun. 30, 2026
Institutional Class                
Account Value [Line Items]                
Line Graph and Table Measure Name               Institutional Class
Accumulated Value $ 1,859,598 $ 1,533,692 $ 1,259,064 $ 1,052,435 $ 1,273,743 $ 1,043,647 $ 1,000,000 $ 1,952,845
MSCI World Index (Net) [Member]                
Account Value [Line Items]                
Line Graph and Table Measure Name               MSCI World Index (Net)
Accumulated Value $ 2,056,992 $ 1,769,330 $ 1,472,084 $ 1,242,156 $ 1,450,065 $ 1,042,880 $ 1,000,000 $ 2,495,899