v3.26.1
Selected Unaudited Quarterly Financial Data - Quarterly Financial Data (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Selected Quarterly Financial Information [Line Items]                      
Total investment income $ 933,119 $ 1,103,303 $ 1,109,188 $ 1,163,748 $ 1,364,978 $ 1,653,380 $ 1,705,349 $ 1,778,365 $ 4,309,358 $ 6,502,072 $ 6,778,414
Total expenses (1,144,214) (1,295,275) (1,284,144) (1,368,065) (1,635,232) (1,343,661) (1,198,836) (2,012,791) (5,091,698) (6,190,520) (5,993,854)
Total trading results (2,705,809) (2,031,472) (1,440,305) 4,129,664 (1,337,968) (4,356,034) (3,391,088) 3,662,884 (2,047,922) (5,422,206) (317,769)
Net income (loss) $ (2,916,904) $ (2,223,444) $ (1,615,261) $ 3,925,347 $ (1,608,222) $ (4,046,315) $ (2,884,575) $ 3,428,458 (2,830,262) (5,110,654) 466,791
Class A [Member]                      
Selected Quarterly Financial Information [Line Items]                      
Net income (loss)                 $ (2,775,218) $ (5,017,294) $ 441,453
Increase (decrease) in net asset value per Redeemable Unit:                      
Net income (loss) per Redeemable Unit $ (71.46) $ (51.33) $ (35.04) $ 84.61 $ (33.76) $ (78.6) $ (55.36) $ 64.29 $ (73.22) [1] $ (103.43) [1] $ 8.86 [1]
Class D [Member]                      
Selected Quarterly Financial Information [Line Items]                      
Net income (loss)                 $ (5,810) $ (8,207) $ 11,376
Increase (decrease) in net asset value per Redeemable Unit:                      
Net income (loss) per Redeemable Unit (56.67) (40.71) (27.78) 67.1 (26.78) (62.33) (43.89) 50.98 $ (58.06) [1] $ (82.02) [1] $ 6.98 [1]
Class Z [Member]                      
Selected Quarterly Financial Information [Line Items]                      
Net income (loss)                 $ (49,234) $ (85,153) $ 13,962
Increase (decrease) in net asset value per Redeemable Unit:                      
Net income (loss) per Redeemable Unit $ (55.82) $ (38.77) $ (25.03) $ 74.72 $ (23.93) $ (61.03) $ (41.56) $ 57.51 $ (44.9) [1] $ (69.01) [1] $ 24.24 [1]
[1] Represents the change in net asset value per Redeemable Unit.