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Consolidated Condensed Schedule of Investments - USD ($)
Sep. 30, 2015
Dec. 31, 2014
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Investments Owned - broker trading accounts, cost $ 9,498,839 $ 12,393,731
Investments owned - broker trading accounts, fair value 9,500,412 12,395,634
Investments Owned, Fair Value 95,207,295 112,187,759
Open long contracts | Futures, Forward, and Swap Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts $ 3,694,434  
Percent of Partners' Capital (Net Asset Value) 1.53%  
Open long contracts | Futures and Forward Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1]   $ 4,578,375
Percent of Partners' Capital (Net Asset Value) [1]   1.53%
Open long contracts | Forward Contracts | Currencies    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (190,786) $ 357,025
Percent of Partners' Capital (Net Asset Value) [1] (0.08%) 0.12%
Open long contracts | Futures Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 3,474,112 $ 4,221,350
Percent of Partners' Capital (Net Asset Value) [1] 1.44% 1.41%
Open long contracts | Futures Contracts | U.S. Futures Positions    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,911,463 $ 558,937
Open long contracts | Futures Contracts | U.S. Futures Positions | Agriculturals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (109,757) $ (211,896)
Percent of Partners' Capital (Net Asset Value) [1] (0.05%) (0.07%)
Open long contracts | Futures Contracts | U.S. Futures Positions | Currencies    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (359,685) $ 52,169
Percent of Partners' Capital (Net Asset Value) [1] (0.15%) 0.02%
Open long contracts | Futures Contracts | U.S. Futures Positions | Energy    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (112,807) $ (308,415)
Percent of Partners' Capital (Net Asset Value) [1] (0.05%) (0.10%)
Open long contracts | Futures Contracts | U.S. Futures Positions | Interest rates    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 2,619,623 $ 360,243
Percent of Partners' Capital (Net Asset Value) [1] 1.09% 0.12%
Open long contracts | Futures Contracts | U.S. Futures Positions | Meats    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 103,800 $ (136,100)
Percent of Partners' Capital (Net Asset Value) [1] 0.04% (0.05%)
Open long contracts | Futures Contracts | U.S. Futures Positions | Metals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (53,245) $ (20,303)
Percent of Partners' Capital (Net Asset Value) [1] (0.02%) (0.01%)
Open long contracts | Futures Contracts | U.S. Futures Positions | Soft commodities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (60,212) $ (50,394)
Percent of Partners' Capital (Net Asset Value) [1] (0.02%) (0.01%)
Open long contracts | Futures Contracts | U.S. Futures Positions | Stock indices and single stock futures    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (116,254) $ 873,633
Percent of Partners' Capital (Net Asset Value) [1] (0.05%) 0.29%
Open long contracts | Futures Contracts | Foreign Futures Positions    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,562,649 $ 3,662,413
Open long contracts | Futures Contracts | Foreign Futures Positions | Agriculturals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 9,362 $ 3,862
Percent of Partners' Capital (Net Asset Value) [1] 0.00% 0.00%
Open long contracts | Futures Contracts | Foreign Futures Positions | Energy    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,455 $ 1,536
Percent of Partners' Capital (Net Asset Value) [1] 0.00% 0.00%
Open long contracts | Futures Contracts | Foreign Futures Positions | Interest rates    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 2,665,184 $ 4,365,656
Percent of Partners' Capital (Net Asset Value) [1] 1.10% 1.46%
Open long contracts | Futures Contracts | Foreign Futures Positions | Metals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (854,057) $ (1,449,798)
Percent of Partners' Capital (Net Asset Value) [1] (0.35%) (0.48%)
Open long contracts | Futures Contracts | Foreign Futures Positions | Soft commodities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (8,230) $ 12,861
Percent of Partners' Capital (Net Asset Value) [1] 0.00% 0.00%
Open long contracts | Futures Contracts | Foreign Futures Positions | Stock indices and single stock futures    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (251,065) $ 728,296
Percent of Partners' Capital (Net Asset Value) [1] (0.10%) 0.24%
Open long contracts | Swap Contracts | Swap - GP5 TRS Index    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts $ 411,108  
Percent of Partners' Capital (Net Asset Value) 0.17%  
Open short contracts | Futures, Forward, and Swap Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts $ 3,529,562  
Percent of Partners' Capital (Net Asset Value) 1.46%  
Open short contracts | Futures and Forward Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1]   $ 6,789,870
Percent of Partners' Capital (Net Asset Value) [1]   2.28%
Open short contracts | Forward Contracts | Currencies    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (289,657) $ (538,247)
Percent of Partners' Capital (Net Asset Value) [1] (0.12%) (0.18%)
Open short contracts | Futures Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 3,819,219 $ 7,328,117
Percent of Partners' Capital (Net Asset Value) [1] 1.58% 2.46%
Open short contracts | Futures Contracts | U.S. Futures Positions    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 2,085,639 $ 4,530,703
Open short contracts | Futures Contracts | U.S. Futures Positions | Agriculturals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (234,139) $ (18,577)
Percent of Partners' Capital (Net Asset Value) [1] (0.10%) (0.01%)
Open short contracts | Futures Contracts | U.S. Futures Positions | Currencies    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 103,625 $ 1,925,431
Percent of Partners' Capital (Net Asset Value) [1] 0.04% 0.64%
Open short contracts | Futures Contracts | U.S. Futures Positions | Energy    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 804,577 $ 1,437,870
Percent of Partners' Capital (Net Asset Value) [1] 0.33% 0.48%
Open short contracts | Futures Contracts | U.S. Futures Positions | Interest rates    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 28,764 $ (58,553)
Percent of Partners' Capital (Net Asset Value) [1] 0.01% (0.02%)
Open short contracts | Futures Contracts | U.S. Futures Positions | Meats    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 904,876 $ 42,279
Percent of Partners' Capital (Net Asset Value) [1] 0.37% 0.01%
Open short contracts | Futures Contracts | U.S. Futures Positions | Metals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 67,513 $ 428,534
Percent of Partners' Capital (Net Asset Value) [1] 0.03% 0.14%
Open short contracts | Futures Contracts | U.S. Futures Positions | Soft commodities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 220,439 $ 850,654
Percent of Partners' Capital (Net Asset Value) [1] 0.09% 0.28%
Open short contracts | Futures Contracts | U.S. Futures Positions | Stock indices and single stock futures    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 189,984 $ (76,935)
Percent of Partners' Capital (Net Asset Value) [1] 0.08% (0.02%)
Open short contracts | Futures Contracts | Foreign Futures Positions    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,733,580 $ 2,797,414
Open short contracts | Futures Contracts | Foreign Futures Positions | Agriculturals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,866 $ (962)
Percent of Partners' Capital (Net Asset Value) [1] 0.00% 0.00%
Open short contracts | Futures Contracts | Foreign Futures Positions | Energy    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 344,969 $ 1,641,340
Percent of Partners' Capital (Net Asset Value) [1] 0.14% 0.55%
Open short contracts | Futures Contracts | Foreign Futures Positions | Interest rates    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (103,781) $ (39,414)
Percent of Partners' Capital (Net Asset Value) [1] (0.04%) (0.01%)
Open short contracts | Futures Contracts | Foreign Futures Positions | Metals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,261,679 $ 1,267,292
Percent of Partners' Capital (Net Asset Value) [1] 0.52% 0.42%
Open short contracts | Futures Contracts | Foreign Futures Positions | Soft commodities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 19,794 $ 7,155
Percent of Partners' Capital (Net Asset Value) [1] 0.01% 0.00%
Open short contracts | Futures Contracts | Foreign Futures Positions | Stock indices and single stock futures    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 209,053 $ (77,997)
Percent of Partners' Capital (Net Asset Value) [1] 0.09% (0.02%)
Open short contracts | Swap Contracts | Swap - GP5 TRS Index    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) 0.00%  
Open contracts | Futures, Forward, and Swap Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts $ 7,223,996  
Percent of Partners' Capital (Net Asset Value) 2.99%  
Open contracts | Futures and Forward Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1]   $ 11,368,245
Percent of Partners' Capital (Net Asset Value) [1]   3.81%
Open contracts | Forward Contracts | Currencies    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (480,443) $ (181,222)
Percent of Partners' Capital (Net Asset Value) [1] (0.20%) (0.06%)
Open contracts | Futures Contracts    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 7,293,331 $ 11,549,467
Percent of Partners' Capital (Net Asset Value) [1] 3.02% 3.87%
Open contracts | Futures Contracts | U.S. Futures Positions    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 3,997,102 $ 5,089,640
Open contracts | Futures Contracts | U.S. Futures Positions | Agriculturals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (343,896) $ (230,473)
Percent of Partners' Capital (Net Asset Value) [1] (0.15%) (0.08%)
Open contracts | Futures Contracts | U.S. Futures Positions | Currencies    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (256,060) $ 1,977,600
Percent of Partners' Capital (Net Asset Value) [1] (0.11%) 0.66%
Open contracts | Futures Contracts | U.S. Futures Positions | Energy    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 691,770 $ 1,129,455
Percent of Partners' Capital (Net Asset Value) [1] 0.28% 0.38%
Open contracts | Futures Contracts | U.S. Futures Positions | Interest rates    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 2,648,387 $ 301,690
Percent of Partners' Capital (Net Asset Value) [1] 1.10% 0.10%
Open contracts | Futures Contracts | U.S. Futures Positions | Meats    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 1,008,676 $ (93,821)
Percent of Partners' Capital (Net Asset Value) [1] 0.41% (0.04%)
Open contracts | Futures Contracts | U.S. Futures Positions | Metals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 14,268 $ 408,231
Percent of Partners' Capital (Net Asset Value) [1] 0.01% 0.13%
Open contracts | Futures Contracts | U.S. Futures Positions | Soft commodities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 160,227 $ 800,260
Percent of Partners' Capital (Net Asset Value) [1] 0.07% 0.27%
Open contracts | Futures Contracts | U.S. Futures Positions | Stock indices and single stock futures    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 73,730 $ 796,698
Percent of Partners' Capital (Net Asset Value) [1] 0.03% 0.27%
Open contracts | Futures Contracts | Foreign Futures Positions    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 3,296,229 $ 6,459,827
Open contracts | Futures Contracts | Foreign Futures Positions | Agriculturals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 11,228 $ 2,900
Percent of Partners' Capital (Net Asset Value) [1] 0.00% 0.00%
Open contracts | Futures Contracts | Foreign Futures Positions | Energy    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 346,424 $ 1,642,876
Percent of Partners' Capital (Net Asset Value) [1] 0.14% 0.55%
Open contracts | Futures Contracts | Foreign Futures Positions | Interest rates    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 2,561,403 $ 4,326,242
Percent of Partners' Capital (Net Asset Value) [1] 1.06% 1.45%
Open contracts | Futures Contracts | Foreign Futures Positions | Metals    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 407,622 $ (182,506)
Percent of Partners' Capital (Net Asset Value) [1] 0.17% (0.06%)
Open contracts | Futures Contracts | Foreign Futures Positions | Soft commodities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ 11,564 $ 20,016
Percent of Partners' Capital (Net Asset Value) [1] 0.01% 0.00%
Open contracts | Futures Contracts | Foreign Futures Positions | Stock indices and single stock futures    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts [1] $ (42,012) $ 650,299
Percent of Partners' Capital (Net Asset Value) [1] (0.01%) 0.22%
Open contracts | Swap Contracts | Swap - GP5 TRS Index    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Net unrealized gain/(loss) on open contracts $ 411,108  
Percent of Partners' Capital (Net Asset Value) 0.17%  
Securities in broker trading accounts | U.S. Treasury Bills | U.S. Government securities    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [2] 3.93% 4.15%
Investments Owned, Face Value [2] $ 9,500,000 $ 12,400,000
Investments Owned, Rate of Return [2] 0.00% 0.10%
Investments Owned - broker trading accounts, cost [2] $ 9,498,839 $ 12,393,731
Investments owned - broker trading accounts, fair value [2] $ 9,500,412 $ 12,395,634
Securities owned    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) 39.43% 37.58%
Investments owned - broker trading accounts, fair value   $ 112,187,759
Investments Owned, Fair Value $ 95,207,295  
Securities owned | Commercial paper    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [3] 5.87% 3.58%
Investments Owned, cost [3] $ 14,151,147 $ 10,681,432
Investments Owned, Fair Value [3] $ 14,158,426 $ 10,687,288
Securities owned | U.S. Government-sponsored enterprises    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) 28.54% 29.94%
Investments Owned, cost $ 68,735,470 $ 89,200,000
Investments Owned, Fair Value $ 68,918,070 $ 89,383,625
Securities owned | Corporate Bonds    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [3]   4.06%
Investments Owned, cost [3]   $ 12,077,022
Investments Owned, Fair Value [3]   $ 12,116,846
Securities owned | Federal Farm Credit Banks | U.S. Government-sponsored enterprises    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) 6.84% 6.72%
Investments Owned, Face Value $ 16,500,000 $ 20,000,000
Investments Owned, Rate of Return Range Minimum 1.10%  
Investments Owned, Rate of Return Range Maximum 1.30%  
Investments Owned, Rate of Return   1.10%
Investments Owned, Fair Value $ 16,510,443 $ 20,069,167
Securities owned | Federal Home Loan Banks | U.S. Government-sponsored enterprises    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) 20.66% 22.38%
Investments Owned, Face Value $ 49,735,000 $ 66,700,000
Investments Owned, Rate of Return Range Minimum 1.10% 1.00%
Investments Owned, Rate of Return Range Maximum 1.40% 1.30%
Investments Owned, Fair Value $ 49,898,414 $ 66,813,621
Securities owned | Federal Agricultural Mortgage Corp. | U.S. Government-sponsored enterprises    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) 1.04% 0.84%
Investments Owned, Face Value $ 2,500,000 $ 2,500,000
Investments Owned, Rate of Return 1.30% 1.30%
Investments Owned, Fair Value $ 2,509,213 $ 2,500,837
Securities owned | Foreign corporate bonds | Corporate Bonds    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [3]   0.52%
Investments Owned, Face Value [3]   $ 1,542,000
Investments Owned, Rate of Return [3]   0.80%
Investments Owned, Fair Value [3]   $ 1,553,227
Securities owned | U.S. corporate bonds | Corporate Bonds    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [3] 5.02% 3.54%
Investments Owned, Face Value [3] $ 11,740,000 $ 10,283,000
Investments Owned, Rate of Return Range Minimum [3] 1.10% 0.70%
Investments Owned, Rate of Return Range Maximum [3] 1.80% 1.10%
Investments Owned, cost [3] $ 12,111,977  
Investments Owned, Fair Value [3] $ 12,130,799 $ 10,563,619
Securities owned | Foreign commercial paper | Commercial paper    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [3] 0.83% 0.86%
Investments Owned, Face Value [3] $ 2,000,000 $ 2,584,000
Investments Owned, Rate of Return [3] 0.50% 0.50%
Investments Owned, Fair Value [3] $ 1,997,440 $ 2,580,625
Securities owned | U.S. commercial paper | Commercial paper    
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Percent of Partners' Capital (Net Asset Value) [3] 5.04% 2.72%
Investments Owned, Face Value [3] $ 12,170,000 $ 8,110,000
Investments Owned, Rate of Return Range Minimum [3] 0.30% 0.30%
Investments Owned, Rate of Return Range Maximum [3] 0.60% 0.40%
Investments Owned, Fair Value [3] $ 12,160,986 $ 8,106,663
[1] * No individual futures and forward contract position constituted greater than 1 percent of partners’ capital (net asset value). Accordingly, the number of contracts and expiration dates are not presented.
[2] Pledged as collateral for the trading of futures and forward contracts.
[3] No individual position constituted greater than 1 percent of partners’ capital (net asset value).