v3.26.1
Investment in the Trading Company - Partnership's Investment In And The Partnership's Pro-Rata Share Of The Results Of Operations Of The Trading Company (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
Investment In The Trading Company [Line Items]                      
Income (Loss) $ (1,138,134) $ (1,130,519) $ (1,154,626) $ (1,250,379) $ (1,247,186) $ (1,364,496) $ (1,344,920) $ (2,476,213)      
Professional Fees                 $ 504,540 $ 545,367 $ 466,489
Net Income (Loss) 330,873 $ 5,642,841 $ (9,305,454) $ 2,859 (142,752) $ (9,585,625) $ (3,035,050) $ 21,477,979 (3,328,881) 8,714,552 288,819
CMF Winton Master LP [Member]                      
Investment In The Trading Company [Line Items]                      
Fair Value $ 46,594,969       $ 52,570,193       46,594,969 52,570,193 55,472,926
Income (Loss)                 2,219,667 5,277,435 7,738,283
Clearing Fees                 163,755 205,003 151,973
Professional Fees                 78,736 78,460 70,618
Net Income (Loss)                 $ 1,977,176 $ 4,993,972 $ 7,515,692
CMF Winton Master LP [Member] | Investment In The Trading Company [Member]                      
Investment In The Trading Company [Line Items]                      
% of Partners' Capital                 36.68% 36.10% 37.67%