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Consolidated Condensed Schedule of Investments - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned    
Investments Owned, Cost $ 77,519,677 $ 87,212,372
Investments Owned, Fair Value 77,787,124 87,511,963
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 $ (2,022,287) $ 547,921
Percent of Partners' Capital (Net Asset Value) (1.57%) 0.33%
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] $ 237,146 $ (9,770)
Percent of Partners' Capital (Net Asset Value) [1] 0.18% (0.01%)
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] $ (1,661,555) $ 1,292,389
Percent of Partners' Capital (Net Asset Value) [1] (1.29%) 0.78%
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] $ 110,402 $ 196,631
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] $ 168,447 $ (186,627)
Percent of Partners' Capital (Net Asset Value) [1] 0.13% (0.11%)
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] $ 391,381 $ 116,150
Percent of Partners' Capital (Net Asset Value) [1] 0.30% 0.07%
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] $ 27,463 $ 540,550
Percent of Partners' Capital (Net Asset Value) [1] 0.02% 0.32%
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] $ (242,409) $ 21,206
Percent of Partners' Capital (Net Asset Value) [1] (0.19%) 0.01%
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] $ 28,984 $ 69,709
Percent of Partners' Capital (Net Asset Value) [1] 0.02% 0.04%
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] $ 31,543 $ (74,055)
Percent of Partners' Capital (Net Asset Value) [1] 0.02% (0.04%)
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] $ 359 $ (22,484)
Percent of Partners' Capital (Net Asset Value) [1]   (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] $ (295,366) $ (267,818)
Percent of Partners' Capital (Net Asset Value) [1] (0.23%) (0.16%)
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] $ (1,771,957) $ 1,095,758
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] (214) 1,089
Open long contracts | Futures Contracts | Foreign 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] (690)  
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]   $ 8,773
Percent of Partners' Capital (Net Asset Value) [1]   0.01%
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] $ (1,142,515) $ 307,223
Percent of Partners' Capital (Net Asset Value) [1] (0.89%) 0.19%
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] $ 599,895 $ (76,499)
Percent of Partners' Capital (Net Asset Value) [1] 0.46% (0.05%)
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] $ 1,930 $ 6,462
Open long contracts | Futures Contracts | Foreign Futures Positions | Stock indices    
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] $ (1,230,363) $ 848,710
Percent of Partners' Capital (Net Asset Value) [1] (0.95%) 0.51%
Open long contracts | 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 $ (597,878) $ (734,698)
Percent of Partners' Capital (Net Asset Value) (0.46%) (0.44%)
Open long contracts | Swap Contracts | Deutsche Bank Total Return Swap Terminating March 29, 2019    
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 $ (1,932,199) $ (1,139,264)
Percent of Partners' Capital (Net Asset Value) (1.50%) (0.68%)
Open long contracts | Swap Contracts | Deutsche Bank Total Return Swap Terminating July 1, 2020    
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 $ 1,334,321 $ 404,566
Percent of Partners' Capital (Net Asset Value) 1.04% 0.24%
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 $ (2,238,457) $ 998,010
Percent of Partners' Capital (Net Asset Value) (1.74%) 0.60%
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] $ (224,554) $ 10,475
Percent of Partners' Capital (Net Asset Value) [1] (0.17%) 0.01%
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] $ (2,013,903) $ 987,535
Percent of Partners' Capital (Net Asset Value) [1] (1.57%) 0.59%
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] $ (1,400,360) $ 722,564
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] $ (324,778) $ 43,391
Percent of Partners' Capital (Net Asset Value) [1] (0.25%) 0.02%
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] $ (141,023) $ 301,634
Percent of Partners' Capital (Net Asset Value) [1] (0.11%) 0.18%
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] $ (1,144,347) $ (5,443)
Percent of Partners' Capital (Net Asset Value) [1] (0.89%)  
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] $ 30,333 $ (45,121)
Percent of Partners' Capital (Net Asset Value) [1] 0.02% (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]   $ (375)
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] $ 11,215 $ 143,785
Percent of Partners' Capital (Net Asset Value) [1] 0.01% 0.08%
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] $ 124,127 $ 256,819
Percent of Partners' Capital (Net Asset Value) [1] 0.10% 0.15%
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] $ 44,113 $ 27,874
Percent of Partners' Capital (Net Asset Value) [1] 0.03% 0.01%
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] $ (613,543) $ 264,971
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] 3,503 1,439
Open short contracts | Futures Contracts | Foreign 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] $ 8,401  
Percent of Partners' Capital (Net Asset Value) [1] 0.01%  
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] $ (2,630)  
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] $ 242,383 $ (31,790)
Percent of Partners' Capital (Net Asset Value) [1] 0.19% (0.02%)
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] $ (878,334) $ 329,003
Percent of Partners' Capital (Net Asset Value) [1] (0.68%) 0.20%
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] $ 569 $ 17,276
Percent of Partners' Capital (Net Asset Value) [1]   0.01%
Open short contracts | Futures Contracts | Foreign Futures Positions | Stock indices    
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] $ 12,565 $ (50,957)
Percent of Partners' Capital (Net Asset Value) [1] 0.01% (0.03%)
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 $ (4,260,744) $ 1,545,931
Percent of Partners' Capital (Net Asset Value) (3.31%) 0.93%
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] $ 12,592 $ 705
Percent of Partners' Capital (Net Asset Value) [1] 0.01%  
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] $ (3,675,458) $ 2,279,924
Percent of Partners' Capital (Net Asset Value) [1] (2.86%) 1.37%
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] $ (1,289,958) $ 919,195
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] $ (156,331) $ (143,236)
Percent of Partners' Capital (Net Asset Value) [1] (0.12%) (0.09%)
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] $ 250,358 $ 417,784
Percent of Partners' Capital (Net Asset Value) [1] 0.19% 0.25%
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] $ (1,116,884) $ 535,107
Percent of Partners' Capital (Net Asset Value) [1] (0.87%) 0.32%
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] $ (212,076) $ (23,915)
Percent of Partners' Capital (Net Asset Value) [1] (0.17%) (0.01%)
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] $ 28,984 $ 69,334
Percent of Partners' Capital (Net Asset Value) [1] 0.02% 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] $ 42,758 $ 69,730
Percent of Partners' Capital (Net Asset Value) [1] 0.03% 0.04%
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] $ 124,486 $ 234,335
Percent of Partners' Capital (Net Asset Value) [1] 0.10% 0.14%
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] $ (251,253) $ (239,944)
Percent of Partners' Capital (Net Asset Value) [1] (0.20%) (0.15%)
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] $ (2,385,500) $ 1,360,729
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] 3,289 2,528
Open contracts | Futures Contracts | Foreign 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] $ 7,711  
Percent of Partners' Capital (Net Asset Value) [1] 0.01%  
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] $ (2,630) $ 8,773
Percent of Partners' Capital (Net Asset Value) [1]   0.01%
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] $ (900,132) $ 275,433
Percent of Partners' Capital (Net Asset Value) [1] (0.70%) 0.17%
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] $ (278,439) $ 252,504
Percent of Partners' Capital (Net Asset Value) [1] (0.22%) 0.15%
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] $ 2,499 $ 23,738
Percent of Partners' Capital (Net Asset Value) [1]   0.01%
Open contracts | Futures Contracts | Foreign Futures Positions | Stock indices    
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] $ (1,217,798) $ 797,753
Percent of Partners' Capital (Net Asset Value) [1] (0.94%) 0.48%
Open contracts | 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 $ (597,878) $ (734,698)
Percent of Partners' Capital (Net Asset Value) (0.46%) (0.44%)
Open contracts | Swap Contracts | Deutsche Bank Total Return Swap Terminating March 29, 2019    
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 $ (1,932,199) $ (1,139,264)
Percent of Partners' Capital (Net Asset Value) (1.50%) (0.68%)
Open contracts | Swap Contracts | Deutsche Bank Total Return Swap Terminating July 1, 2020    
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 $ 1,334,321 $ 404,566
Percent of Partners' Capital (Net Asset Value) 1.04% 0.24%
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) 60.37% 52.92%
Investments Owned, Cost $ 77,519,677 $ 87,212,372
Investments Owned, Fair Value $ 77,787,124 $ 87,511,963
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) 53.71% 41.85%
Investments Owned, Cost $ 68,997,750 $ 68,999,520
Investments Owned, Fair Value $ 69,209,991 $ 69,209,493
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) 36.96% 28.80%
Investments Owned, Face Value $ 47,500,000 $ 47,500,000
Investments Owned, Rate of Return Range Minimum 1.10% 1.10%
Investments Owned, Rate of Return Range Maximum 1.30% 1.30%
Investments Owned, Fair Value $ 47,629,866 $ 47,629,368
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) 14.80% 11.53%
Investments Owned, Face Value $ 19,000,000 $ 19,000,000
Investments Owned, Rate of Return Range Minimum 1.10% 1.10%
Investments Owned, Rate of Return Range Maximum 1.50% 1.50%
Investments Owned, Fair Value $ 19,067,300 $ 19,067,300
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) 1.95% 1.52%
Investments Owned, Face Value $ 2,500,000 $ 2,500,000
Investments Owned, Rate of Return 1.10% 1.10%
Investments Owned, Fair Value $ 2,512,825 $ 2,512,825
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) 5.65% 6.75%
Investments Owned, Cost $ 7,231,300 $ 11,093,510
Investments Owned, Fair Value $ 7,277,238 $ 11,158,232
Securities owned | American Express | 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) 1.03%  
Investments Owned, Face Value $ 1,325,000  
Investments Owned, Rate of Return 1.50%  
Investments Owned, Fair Value $ 1,330,937  
Securities owned | American Electric Power | 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)   1.17%
Investments Owned, Face Value   $ 1,900,000
Investments Owned, Rate of Return   1.80%
Investments Owned, Fair Value   $ 1,932,728
Securities owned | American Honda Finance | 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) 1.56% 1.22%
Investments Owned, Face Value $ 2,000,000 $ 2,000,000
Investments Owned, Rate of Return 1.50% 1.50%
Investments Owned, Fair Value $ 2,012,818 $ 2,013,468
Securities owned | AT&T, Inc. | 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) 1.43% 1.11%
Investments Owned, Face Value $ 1,840,000 $ 1,840,000
Investments Owned, Rate of Return 1.80% 1.80%
Investments Owned, Fair Value $ 1,839,138 $ 1,835,800
Securities owned | GATX Corporation | 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)   1.16%
Investments Owned, Face Value   $ 1,905,000
Investments Owned, Rate of Return   1.80%
Investments Owned, Fair Value   $ 1,910,867
Securities owned | Wells Fargo & Company | 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) 1.63% 1.29%
Investments Owned, Face Value $ 2,000,000 $ 2,000,000
Investments Owned, Rate of Return 1.70% 1.70%
Investments Owned, Fair Value $ 2,094,345 $ 2,133,790
Securities owned | Others | 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) [2]   0.80%
Investments Owned, Face Value [2]   $ 1,325,000
Investments Owned, Rate of Return [2]   1.50%
Investments Owned, Fair Value [2]   $ 1,331,579
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) 1.01% 4.32%
Investments Owned, Cost $ 1,290,627 $ 7,119,342
Investments Owned, Fair Value $ 1,299,895 $ 7,144,238
Securities owned | Ford Motor Credit Corp | 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) 1.01%  
Investments Owned, Face Value $ 1,300,000  
Investments Owned, Rate of Return Range Minimum 1.50%  
Investments Owned, Fair Value $ 1,299,895  
Securities owned | Coca-Cola Corp | 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)   2.42%
Investments Owned, Face Value   $ 4,000,000
Investments Owned, Rate of Return   0.80%
Investments Owned, Fair Value   $ 3,994,645
Securities owned | Others | 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) [2]   1.90%
Investments Owned, Face Value [2]   $ 3,150,000
Investments Owned, Rate of Return Range Minimum [2]   0.90%
Investments Owned, Rate of Return Range Maximum [2]   1.40%
Investments Owned, Fair Value [2]   $ 3,149,593
[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] No individual position constituted greater than 1 percent of partners’ capital (net asset value).