v3.25.2
Shareholder Report, Holdings (Details) - C000116776 [Member]
Jun. 30, 2025
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
US Treasury Bill Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.90%
Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
U S Government Bonds and Notes [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 43.80%
Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80% [1]
Long Commodities [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 16.80% [2]
Long Currency [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 22.40% [2]
Long Equities [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 9.60% [2]
Long Interest Rate [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 12.60% [2]
Short Commodities [Member]  
Holdings [Line Items]  
Percent of Total Short Exposure (19.50%) [2]
Short Equities [Member]  
Holdings [Line Items]  
Percent of Total Short Exposure (5.40%) [2]
Short Currency [Member]  
Holdings [Line Items]  
Percent of Total Short Exposure (0.50%) [2]
Short Interest Rate [Member]  
Holdings [Line Items]  
Percent of Total Short Exposure (13.00%) [2]
[1] Includes variation margin on futures contracts.
[2] Futures exposure is calculated on the notional value as a percentage of total notional exposure.