Financial Highlights - Schedule of Financial Highlights for Each Class (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class A [Member]
Class of Stock [Line Items]
Net realized and unrealized gains (losses)	$ 130.07	$ 68.07	$ 61.94
Interest Income		3.23	18.71
Expenses and allocation to Special Limited Partner	(101.40)	(91.82)	(89.35)
Increase (decrease) for the period	28.67	(20.52)	(8.70)
Net asset value per unit, beginning of period	1,254.68	1,275.20	1,283.90
Net asset value per unit, end of period	1,283.35	1,254.68	1,275.20
Class D [Member]
Class of Stock [Line Items]
Net realized and unrealized gains (losses)	144.86	74.94	67.28
Interest Income		3.53	20.32
Expenses and allocation to Special Limited Partner	(98.57)	(83.91)	(80.41)
Increase (decrease) for the period	46.29	(5.44)	7.19
Net asset value per unit, beginning of period	1,388.41	1,393.85	1,386.66
Net asset value per unit, end of period	$ 1,434.70	$ 1,388.41	$ 1,393.85