Statements Of Changes In Partners' Capital - USD ($)	Limited Partners [Member]	Special Limited Partners [Member]	New Profit Memo Account [Member]	General Partner [Member]	Total
PARTNERS' CAPITAL at Dec. 31, 2018	$ 96,830,015	$ 65,627,045		$ 2,464,556	$ 164,921,616
Contributions	2,617,000		3,836		2,620,836
Withdrawals	(11,798,367)	(5,074,170)			(16,872,537)
Net income (loss)	1,150,972	1,728,196	(13)	74,869	2,954,024
General Partner's allocation:
New Profit-Accrued	(230,607)				(230,607)
PARTNERS' CAPITAL at Jun. 30, 2019	88,569,013	62,281,071	3,823	2,539,425	153,393,332
PARTNERS' CAPITAL at Dec. 31, 2019	87,909,416	64,314,240		2,703,294	154,926,950
Contributions	3,710,000		60		3,710,060
Withdrawals	(7,250,577)	(1,373,557)			(8,624,134)
Net income (loss)	(13,944,648)	(9,074,835)	(9)	(378,639)	(23,398,131)
General Partner's allocation:
New Profit-Accrued	(60)				(60)
PARTNERS' CAPITAL at Jun. 30, 2020	$ 70,424,131	$ 53,865,848	$ 51	$ 2,324,655	$ 126,614,685