v3.25.1
Fair Value Measurements - Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value (Details) - Fair Value, Recurring [Member] - The Series of Frontier Funds [Member] - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Frontier Diversified Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies $ 20,372 $ 23,131
U.S. Treasury Securities 1,923 1,945
Frontier Masters Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 10,321 13,036
U.S. Treasury Securities 974 1,096
Frontier Long/Short Commodity Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 8,429 13,179
U.S. Treasury Securities 796 1,108
Frontier Balanced Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 76,833 57,707
Open Trade Equity (Deficit)  
U.S. Treasury Securities 7,253 4,851
Frontier Select Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 17,465 17,750
U.S. Treasury Securities 1,649 1,492
Frontier Global Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 32,387
U.S. Treasury Securities 2,723
Frontier Heritage Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 43,721 42,692
U.S. Treasury Securities 4,127 3,589
Practical Expedient [Member] | Frontier Diversified Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 20,372 23,131
U.S. Treasury Securities
Practical Expedient [Member] | Frontier Masters Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 10,321 13,036
U.S. Treasury Securities
Practical Expedient [Member] | Frontier Long/Short Commodity Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 8,429 13,179
U.S. Treasury Securities
Practical Expedient [Member] | Frontier Balanced Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 76,833 57,707
Open Trade Equity (Deficit)  
U.S. Treasury Securities
Practical Expedient [Member] | Frontier Select Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 17,465 17,750
U.S. Treasury Securities
Practical Expedient [Member] | Frontier Global Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 32,387
U.S. Treasury Securities
Practical Expedient [Member] | Frontier Heritage Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies 43,721 42,692
U.S. Treasury Securities
Level 1 Inputs [Member] | Frontier Diversified Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities 1,923 1,945
Level 1 Inputs [Member] | Frontier Masters Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities 974 1,096
Level 1 Inputs [Member] | Frontier Long/Short Commodity Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities 796 1,108
Level 1 Inputs [Member] | Frontier Balanced Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
Open Trade Equity (Deficit)  
U.S. Treasury Securities 7,253 4,851
Level 1 Inputs [Member] | Frontier Select Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities 1,649 1,492
Level 1 Inputs [Member] | Frontier Global Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities 2,723
Level 1 Inputs [Member] | Frontier Heritage Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities 4,127 3,589
Level 2 Inputs [Member] | Frontier Diversified Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 2 Inputs [Member] | Frontier Masters Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 2 Inputs [Member] | Frontier Long/Short Commodity Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 2 Inputs [Member] | Frontier Balanced Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
Open Trade Equity (Deficit)  
U.S. Treasury Securities
Level 2 Inputs [Member] | Frontier Select Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 2 Inputs [Member] | Frontier Global Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 2 Inputs [Member] | Frontier Heritage Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Diversified Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Masters Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Long/Short Commodity Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Balanced Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
Open Trade Equity (Deficit)  
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Select Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Global Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities
Level 3 Inputs [Member] | Frontier Heritage Fund [Member]    
Schedule of Valuation Inputs within the Fair Value Hierarchy Utilized to Measure Fair Value [Line Items]    
Investment in Unconsolidated Trading Companies
U.S. Treasury Securities