XML 21 R6.htm IDEA: XBRL DOCUMENT v3.8.0.1
Condensed Statement of Changes in Partners' Capital - USD ($)
Total
General Partner [Member]
Limited Partner [Member]
Net income (loss) $ (8,539,699)    
Net asset value, beginning of period at Dec. 31, 2016 $ 15.7    
Net asset value, end of period at Mar. 31, 2017 $ 14.5    
Balances, at December 31, 2017 at Dec. 31, 2017 $ 94,548,873 $ 0 $ 94,548,873
Addition of 200,000 partnership shares 3,704,236 0 3,704,236
Redemption of 600,000 partnership shares (10,985,546) 0 (10,985,546)
Net income (loss) 4,562,389 0 4,562,389
Balances, at March 31, 2018 at Mar. 31, 2018 $ 91,829,952 $ 0 $ 91,829,952
Net asset value, beginning of period at Dec. 31, 2017 $ 18.18    
Net asset value, end of period at Mar. 31, 2018 $ 19.13