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Statements of Changes in Partners' Capital - USD ($) | Total | General Partner [Member] | Limited Partner [Member]
--- | --- | --- | ---
Balances at Dec. 31, 2013 | $ 26,288,343 | $ 0 | $ 26,288,343
Addition of partnership shares | 77,749,293 | 0 | 77,749,293
Redemption of partnership shares | (36,166,377) | 0 | (36,166,377)
Net income (loss) | (26,451,869) | 0 | (26,451,869)
Balances at Dec. 31, 2014 | $ 41,419,390 | 0 | 41,419,390
Net asset value, beginning of year at Dec. 31, 2013 | $ 43.81 |  |
Net asset value, end of year at Dec. 31, 2014 | $ 22.39 |  |
Addition of partnership shares | $ 123,526,846 | 0 | 123,526,846
Redemption of partnership shares | (38,808,966) | 0 | (38,808,966)
Net income (loss) | (43,645,160) | 0 | (43,645,160)
Balances at Dec. 31, 2015 | $ 82,492,110 | 0 | 82,492,110
Net asset value, end of year at Dec. 31, 2015 | $ 12.22 |  |
Addition of partnership shares | $ 39,802,240 | 0 | 39,802,240
Redemption of partnership shares | (46,276,406) | 0 | (46,276,406)
Net income (loss) | 37,005,128 | 0 | 37,005,128
Balances at Dec. 31, 2016 | $ 113,023,072 | $ 0 | $ 113,023,072
Net asset value, end of year at Dec. 31, 2016 | $ 15.70 |  |

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