Condensed Schedule of Investments		Dec. 31, 2018 USD ($) Contract		Dec. 31, 2017 USD ($) Contract
Schedule of Investments [Line Items]
Total investment in the Funds, Fair Value	[1]	$ 606,579,513		$ 656,495,374
% of Partners' Capital		100.09%		82.22%
Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				$ (4,789,432)
Net unrealized appreciation (depreciation) on open contracts				$ 5,004,060
% of Partners' Capital				0.63%
Unrealized Appreciation on Open Contracts				$ 9,793,492
Forward Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts		$ (108,245)		(10,900,848)
Net unrealized appreciation (depreciation) on open contracts		$ 29,057		$ 873,274
% of Partners' Capital		0.00%	[2]	0.11%
Unrealized Appreciation on Open Contracts		$ 137,302		$ 11,774,122
Total Unrealized Appreciation on Open Contracts [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
% of Partners' Capital		0.02%		1.48%
Total Unrealized Depreciation on Open Contracts [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
% of Partners' Capital		0.02%		1.37%
CMF Winton Master L.P. [Member]
Schedule of Investments [Line Items]
Total investment in the Funds, Fair Value		$ 153,304,033		$ 186,666,465
% of Partners' Capital		25.30%		23.38%
CMF TT II, LLC [Member]
Schedule of Investments [Line Items]
Total investment in the Funds, Fair Value		$ 148,573,425		$ 201,709,447
% of Partners' Capital		24.51%		25.26%
CMF Willowbridge Master Fund L.P.[Member]
Schedule of Investments [Line Items]
Total investment in the Funds, Fair Value		$ 148,663,921		$ 268,119,462
% of Partners' Capital		24.53%		33.58%
CMF FORT Contrarian Master Fund LLC [Member]
Schedule of Investments [Line Items]
Total investment in the Funds, Fair Value		$ 156,038,134
% of Partners' Capital		25.75%
Energy [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				$ (787,785)
Unrealized Appreciation on Open Contracts				4,510,786
Grains [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(29,437)
Unrealized Appreciation on Open Contracts				629,298
Indices [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(1,479,383)
Unrealized Appreciation on Open Contracts				2,719,041
Interest Rates U.S. [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(757,358)
Unrealized Appreciation on Open Contracts				71,430
Interest Rates Non-U.S. [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(1,322,106)
Unrealized Appreciation on Open Contracts				641,412
Livestock [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(27,290)
Metals [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(263,285)
Unrealized Appreciation on Open Contracts				666,037
Metals [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts		$ (108,245)		(3,570,209)
Unrealized Appreciation on Open Contracts		$ 137,302		$ 3,586,972
Metals [Member] | Total Unrealized Appreciation on Open Contracts [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract		33		873
% of Partners' Capital		0.02%		0.45%
Metals [Member] | Total Unrealized Depreciation on Open Contracts [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract		23		818
% of Partners' Capital		0.02%		0.45%
Softs [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				$ (122,788)
Unrealized Appreciation on Open Contracts				555,488
Currencies [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
Unrealized Depreciation on Open Contracts				(7,330,639)
Unrealized Depreciation on Open Forward Contracts, Notional Amount				547,763,469
Unrealized Appreciation on Open Contracts				8,187,150
Unrealized Appreciation on Open Forward Contracts, Notional Amount				$ 504,572,117
Currencies [Member] | Total Unrealized Appreciation on Open Contracts [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
% of Partners' Capital				1.03%
Currencies [Member] | Total Unrealized Depreciation on Open Contracts [Member] | Forward Contracts [Member]
Schedule of Investments [Line Items]
% of Partners' Capital				0.92%
Long [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Net unrealized appreciation (depreciation) on open contracts				$ 3,603,166
% of Partners' Capital				0.45%
Long [Member] | Energy [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				842
Net unrealized appreciation (depreciation) on open contracts				$ 3,926,924
% of Partners' Capital				0.49%
Long [Member] | Grains [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				40
Net unrealized appreciation (depreciation) on open contracts				$ (7,380)
% of Partners' Capital	[2]			0.00%
Long [Member] | Indices [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				2,560
Net unrealized appreciation (depreciation) on open contracts				$ 248,920
% of Partners' Capital				0.03%
Long [Member] | Interest Rates U.S. [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				2,389
Net unrealized appreciation (depreciation) on open contracts				$ (673,740)
% of Partners' Capital				(0.08%)
Long [Member] | Interest Rates Non-U.S. [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				2,820
Net unrealized appreciation (depreciation) on open contracts				$ (1,016,225)
% of Partners' Capital				(0.13%)
Long [Member] | Metals [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				135
Net unrealized appreciation (depreciation) on open contracts				$ 664,797
% of Partners' Capital				0.08%
Long [Member] | Softs [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				185
Net unrealized appreciation (depreciation) on open contracts				$ 459,870
% of Partners' Capital				0.06%
Short [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Net unrealized appreciation (depreciation) on open contracts				$ 1,400,894
% of Partners' Capital				0.18%
Short [Member] | Energy [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				659
Net unrealized appreciation (depreciation) on open contracts				$ (203,923)
% of Partners' Capital				(0.03%)
Short [Member] | Grains [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				1,662
Net unrealized appreciation (depreciation) on open contracts				$ 607,241
% of Partners' Capital				0.08%
Short [Member] | Indices [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				1,980
Net unrealized appreciation (depreciation) on open contracts				$ 990,738
% of Partners' Capital				0.12%
Short [Member] | Interest Rates U.S. [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				194
Net unrealized appreciation (depreciation) on open contracts				$ (12,188)
% of Partners' Capital	[2]			0.00%
Short [Member] | Interest Rates Non-U.S. [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				3,696
Net unrealized appreciation (depreciation) on open contracts				$ 335,531
% of Partners' Capital				0.04%
Short [Member] | Livestock [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				19
Net unrealized appreciation (depreciation) on open contracts				$ (27,290)
% of Partners' Capital	[2]			0.00%
Short [Member] | Metals [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				93
Net unrealized appreciation (depreciation) on open contracts				$ (262,045)
% of Partners' Capital				(0.03%)
Short [Member] | Softs [Member] | Futures Contracts [Member]
Schedule of Investments [Line Items]
Number of Contracts | Contract				304
Net unrealized appreciation (depreciation) on open contracts				$ (27,170)
% of Partners' Capital	[2]			0.00%

[1] Defined in Note 1.

[2] Due to rounding.