Accounting Policy [Line Items]

No definition available.

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- Definition

Annualized general partner administrative fee percentage payable to Ceres Managed Futures LLC, the General Partner, equal to a stated percentage of the Partnership's net assets.

+ References

No definition available.

+ Details

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- Definition

Annualized placement agent fee percentage payable to Morgan Stanley Wealth Management equal to a stated percentage of the Partnership's net assets.

+ References

No definition available.

+ Details

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- Definition

Brokerage Fees Payable Annual Percentage

+ References

No definition available.

+ Details

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- Definition

Brokerage Fees Payable Monthly Percentage

+ References

No definition available.

+ Details

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- Definition

Cash held in fund denominated in foreign currency.

+ References

No definition available.

+ Details

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- Definition

Cash held in fund denominated in foreign currency at cost.

+ References

No definition available.

+ Details

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- Definition

Cash held in fund denominated in foreign currency proceeds.

+ References

No definition available.

+ Details

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- Definition

The percentage amount of units that limited partners can redeemed.

+ References

No definition available.

+ Details

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- Definition

Monthly general partner administrative fee percentage.

+ References

No definition available.

+ Details

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- Definition

Monthly placement agent fee percentage payable to Morgan Stanley Wealth Management equal to a stated percentage of the Partnership's net assets.

+ References

No definition available.

+ Details

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- Definition

Basis amount of assets not deposited as margin with a Partnership interest used in the calculation of interest income.

+ References

No definition available.

+ Details

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- Definition

Basis amount of funds on deposit with a Partnership interest used in the calculation of interest income.

+ References

No definition available.

+ Details

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- Definition

Total distributions to each class of partners (i.e., general, limited and preferred partners).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Details

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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended	27 Months Ended
	Mar. 31, 2014	Sep. 30, 2014	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Accounting Policy [Line Items]
Cash denominated in foreign currencies			$ 992,914	$ 992,914	$ 924,554
Cash denominated in foreign currencies, proceeds			1,024,772	1,024,772	943,684
Restricted cash			$ 11,918,100	$ 11,918,100	14,906,464
Percentage basis of funds on deposit for interest income recognition			100.00%
Partnership assets percentage not deposited as margin credit for interest income			80.00%
Monthly flat rate brokerage fee	0.50%	0.30%		0.33%
Annualized flat rate brokerage fee	6.00%	4.00%		4.00%
Annualized general partner administrative fee				2.00%
Annualized ongoing placement agent fee				2.00%
Monthly general partner administrative fee				17.00%
Monthly ongoing placement agent fee				0.17%
Ceres Tactical Currency L.P. [Member]
Accounting Policy [Line Items]
Monthly flat rate brokerage fee	0.3833%	0.3833%		0.30%
Annualized flat rate brokerage fee	4.60%	3.60%		3.60%
Annualized general partner administrative fee				1.60%
Annualized ongoing placement agent fee				2.00%
Limited partners unit that can be redeemed			100.00%	100.00%
Distributions			$ 0
Morgan Stanley Smith Barney Spectrum Strategic L.P. [Member]
Accounting Policy [Line Items]
Monthly flat rate brokerage fee	0.50%	0.30%		0.33%
Annualized flat rate brokerage fee	6.00%	4.00%		4.00%
Annualized general partner administrative fee				2.00%
Annualized ongoing placement agent fee				2.00%
Monthly general partner administrative fee				0.17%
Monthly ongoing placement agent fee				0.17%
Morgan Stanley Smith Barney Spectrum Technical L.P. [Member]
Accounting Policy [Line Items]
Cash denominated in foreign currencies			205,801	$ 205,801	423,964
Cash denominated in foreign currencies, proceeds			205,128	205,128
Cash denominated in foreign currencies at cost					406,027
Restricted cash			$ 6,959,456	$ 6,959,456	$ 7,078,848
Monthly flat rate brokerage fee	0.50%	0.30%		0.33%
Annualized flat rate brokerage fee	6.00%	4.00%		4.00%
Annualized general partner administrative fee				2.00%
Annualized ongoing placement agent fee				2.00%
Monthly general partner administrative fee				0.17%
Monthly ongoing placement agent fee				0.17%