STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Futures trading gains (losses)
Realized	$ (21,604,752)	$ 33,183,394	$ (44,859,201)
Change in unrealized	(915,180)	2,439,804	9,989,144
Brokerage commissions	(913,701)	(1,401,773)	(2,347,985)
Net gain (loss) from futures trading	(23,433,633)	34,221,425	(37,218,042)
Forward currency trading gains (losses)
Realized	3,862,591	(15,599,266)	(5,536,450)
Change in unrealized	3,124,889	(1,480,153)	1,601,114
Brokerage commissions	(70,555)	(62,079)	(150,935)
Net gain (loss) from forward currency trading	6,916,925	(17,141,498)	(4,086,271)
Total net trading gain (loss)	(16,516,708)	17,079,927	(41,304,313)
Investment income
Interest income	4,629,905	3,619,967	3,426,834
Realized gain (loss) on fixed income securities	(22,922)	22,272	56,108
Change in unrealized gain (loss) on fixed income securities	(140,791)	(71,116)	348,464
Total investment income	4,466,192	3,571,123	3,831,406
Expenses
Brokerage fee	15,949,056	22,077,027	33,665,203
Operating expenses	728,637	883,690	1,184,160
Total expenses	16,677,693	22,960,717	34,849,363
Net investment income (loss)	(12,211,501)	(19,389,594)	(31,017,957)
NET INCOME (LOSS)	$ (28,728,209)	$ (2,309,667)	$ (72,322,270)
NET INCOME (LOSS) PER GENERAL AND LIMITED PARTNER UNIT (based on weighted average number of units outstanding during the year) (in dollars per unit)	$ (279.51)	$ (17.18)	$ (397.20)
INCREASE (DECREASE) IN NET ASSET VALUE PER GENERAL AND LIMITED PARTNER UNIT (in dollars per unit)	$ (279.60)	$ (7.79)	$ (410.88)
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING DURING THE YEAR (in units)	102,781.101	134,438.733	182,079.450