Derivatives and Hedging, Effect of Trading Activities on the Statements of Financial Condition (Details) (USD $) | 3 Months Ended | 6 Months Ended | |
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized currency loss | ($659,250) | ' | ($659,250) | ' | ($689,577) |
Net unrealized gain on open contracts | 5,755,747 | ' | 5,755,747 | ' | 6,652,432 |
Options Contracts At Fair Value [Abstract] | ' | ' | ' | ' | ' |
Options purchased | 6,414,997 | ' | 6,414,997 | ' | 7,342,009 |
Options written | 0 | ' | 0 | ' | 0 |
Effect of Trading Activities on Statements of Income [Abstract] | ' | ' | ' | ' | ' |
Unrealized currency gain (loss) | -10,593 | 1,338 | 30,325 | 11,333 | ' |
Net realized | 2,830,671 | -3,371,881 | -2,410,188 | 5,507,184 | ' |
Net change in unrealized | 2,572,227 | 2,809,361 | -896,685 | 2,201,209 | ' |
Total Trading Results | 5,402,898 | -562,520 | -3,306,873 | 7,708,393 | ' |
Commodity [Member] | ' | ' | ' | ' | ' |
Effect of Trading Activities on Statements of Income [Abstract] | ' | ' | ' | ' | ' |
Trading results | 698,027 | 4,738,141 | 165,054 | 1,571,415 | ' |
Equity [Member] | ' | ' | ' | ' | ' |
Effect of Trading Activities on Statements of Income [Abstract] | ' | ' | ' | ' | ' |
Trading results | 2,333,672 | 283,521 | -1,912,823 | 9,453,363 | ' |
Foreign Currency [Member] | ' | ' | ' | ' | ' |
Effect of Trading Activities on Statements of Income [Abstract] | ' | ' | ' | ' | ' |
Trading results | -997,847 | -4,394,227 | -3,011,764 | -1,415,311 | ' |
Interest Rate [Member] | ' | ' | ' | ' | ' |
Effect of Trading Activities on Statements of Income [Abstract] | ' | ' | ' | ' | ' |
Trading results | 3,379,639 | -1,191,293 | 1,422,335 | -1,912,407 | ' |
Long [Member] | Options [Member] | ' | ' | ' | ' | ' |
Options Contracts At Fair Value [Abstract] | ' | ' | ' | ' | ' |
Options purchased | ' | ' | ' | ' | 0 |
Average contracts outstanding [Abstract] | ' | ' | ' | ' | ' |
Average number of contracts outstanding | ' | ' | ' | ' | 3 |
Short [Member] | Options [Member] | ' | ' | ' | ' | ' |
Options Contracts At Fair Value [Abstract] | ' | ' | ' | ' | ' |
Options written | ' | ' | ' | ' | 0 |
Average contracts outstanding [Abstract] | ' | ' | ' | ' | ' |
Average number of contracts outstanding | ' | ' | ' | ' | 2 |
Futures and Forward Contracts [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Net Unrealized Gain/(Loss) | 6,414,997 | ' | 6,414,997 | ' | 7,342,009 |
Unrealized currency loss | -659,250 | ' | -659,250 | ' | -689,577 |
Net unrealized gain on open contracts | 5,755,747 | ' | 5,755,747 | ' | 6,652,432 |
Options Contracts At Fair Value [Abstract] | ' | ' | ' | ' | ' |
Options purchased | 6,117,965 | ' | 6,117,965 | ' | 6,883,073 |
Options written | 0 | ' | 0 | ' | 0 |
Futures and Forward Contracts [Member] | Commodity [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Net Unrealized Gain/(Loss) | 3,001,560 | ' | 3,001,560 | ' | 893,523 |
Average contracts outstanding [Abstract] | ' | ' | ' | ' | ' |
Average number of contracts outstanding | 4,765 | ' | 4,765 | ' | 4,153 |
Futures and Forward Contracts [Member] | Equity [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Net Unrealized Gain/(Loss) | 186,212 | ' | 186,212 | ' | 3,494,644 |
Average contracts outstanding [Abstract] | ' | ' | ' | ' | ' |
Average number of contracts outstanding | 1,292 | ' | 1,292 | ' | 1,717 |
Futures and Forward Contracts [Member] | Foreign Currency [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Net Unrealized Gain/(Loss) | 1,534,277 | ' | 1,534,277 | ' | 2,277,669 |
Average contracts outstanding [Abstract] | ' | ' | ' | ' | ' |
Average number of contracts outstanding | 1,993 | ' | 1,993 | ' | 3,214 |
Futures and Forward Contracts [Member] | Interest Rate [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Net Unrealized Gain/(Loss) | 1,692,948 | ' | 1,692,948 | ' | 676,173 |
Average contracts outstanding [Abstract] | ' | ' | ' | ' | ' |
Average number of contracts outstanding | 5,200 | ' | 5,200 | ' | 5,741 |
Futures and Forward Contracts [Member] | Long [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 9,288,822 | ' | 9,288,822 | ' | 5,560,057 |
Unrealized loss | -2,241,443 | ' | -2,241,443 | ' | -2,536,429 |
Futures and Forward Contracts [Member] | Long [Member] | Commodity [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 4,902,046 | ' | 4,902,046 | ' | 561,914 |
Unrealized loss | -1,482,244 | ' | -1,482,244 | ' | -1,776,263 |
Futures and Forward Contracts [Member] | Long [Member] | Equity [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 671,547 | ' | 671,547 | ' | 3,462,235 |
Unrealized loss | -462,491 | ' | -462,491 | ' | 0 |
Futures and Forward Contracts [Member] | Long [Member] | Foreign Currency [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 1,868,586 | ' | 1,868,586 | ' | 1,474,046 |
Unrealized loss | -236,576 | ' | -236,576 | ' | -124,132 |
Futures and Forward Contracts [Member] | Long [Member] | Interest Rate [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 1,846,643 | ' | 1,846,643 | ' | 61,862 |
Unrealized loss | -60,132 | ' | -60,132 | ' | -636,034 |
Futures and Forward Contracts [Member] | Short [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 1,019,189 | ' | 1,019,189 | ' | 4,862,091 |
Unrealized loss | -1,651,571 | ' | -1,651,571 | ' | -543,710 |
Futures and Forward Contracts [Member] | Short [Member] | Commodity [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 788,787 | ' | 788,787 | ' | 2,430,029 |
Unrealized loss | -1,207,029 | ' | -1,207,029 | ' | -322,157 |
Futures and Forward Contracts [Member] | Short [Member] | Equity [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 11,955 | ' | 11,955 | ' | 36,105 |
Unrealized loss | -34,799 | ' | -34,799 | ' | -3,696 |
Futures and Forward Contracts [Member] | Short [Member] | Foreign Currency [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 177,876 | ' | 177,876 | ' | 986,884 |
Unrealized loss | -275,609 | ' | -275,609 | ' | -59,129 |
Futures and Forward Contracts [Member] | Short [Member] | Interest Rate [Member] | ' | ' | ' | ' | ' |
Futures and Forward Contracts [Abstract] | ' | ' | ' | ' | ' |
Unrealized gain | 40,571 | ' | 40,571 | ' | 1,409,073 |
Unrealized loss | ($134,134) | ' | ($134,134) | ' | ($158,728) |