XML 21 R6.htm IDEA: XBRL DOCUMENT v3.7.0.1
Condensed Statement of Changes in Partners' Capital - USD ($)
Total
General Partner [Member]
Limited Partners [Member]
Net income (loss) $ (115,057,128)    
Net asset value, beginning of period at Dec. 31, 2015 $ 8.69    
Net asset value, end of period at Mar. 31, 2016 $ 6.64    
Balances at Dec. 31, 2016 $ 537,810,802 $ 0 $ 537,810,802
Addition of partnership shares 549,553,466 0 549,553,466
Redemption of partnership shares (531,780,519) 0 (531,780,519)
Net income (loss) (94,878,439) 0 (94,878,439)
Balances at Mar. 31, 2017 $ 460,705,310 $ 0 $ 460,705,310
Net asset value, beginning of period at Dec. 31, 2016 $ 9.29    
Net asset value, end of period at Mar. 31, 2017 $ 7.57