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Shareholder Fees	Oct. 28, 2025
Frontier MFG Global Sustainable Fund \| Frontier MFG Global Sustainable Fund \| Institutional Class Shares
Prospectus [Line Items]
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Frontier MFG Global Sustainable Fund \| Frontier MFG Global Sustainable Fund \| Service Class Shares
Prospectus [Line Items]
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Frontier MFG Core Infrastructure Fund \| Frontier MFG Core Infrastructure Fund \| Institutional Class
Prospectus [Line Items]
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Frontier MFG Core Infrastructure Fund \| Frontier MFG Core Infrastructure Fund \| Service Class
Prospectus [Line Items]
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)