General Partner and Related Party Transactions (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
General Partner and Related Party Transactions
Brokerage commission	$ 8,267,826	$ 10,828,955	$ 17,200,745	$ 22,172,396
Organizational and offering costs	426,157	549,186	884,713	1,121,029
Percentage of average month-end net assets as basis for determining operating expense reimbursements			0.25%
Operating expenses	367,811	475,262	764,128	970,354
General Partner
General Partner and Related Party Transactions
Minimum ownership of units as a percentage of all capital contributions of all Partners to the Partnership, option one			1.00%
Value of minimum ownership of units, option two			25,000
Percentage of total capital contributions of all partners and all related limited partnerships used in computation of minimum net worth, option one			5.00%
Percentage of Units being offered for sale in the Partnership used in computation of minimum net worth, option one			5.00%
Amount of minimum net worth required to be maintained, option two			50,000
Amount of maximum net worth required to be maintained			$ 1,000,000
Percentage of General Partner limited partnership interest in the entity treated as a general partnership interest			10.00%
General Partner | Class A Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			7.50%
Organization and Offering Reimbursement (as a percent)			0.10%
Operating Expense (as a percent)			0.25%
General Partner | Class B Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			7.95%
Organization and Offering Reimbursement (as a percent)			0.30%
Operating Expense (as a percent)			0.25%
General Partner | Legacy 1 Class Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			5.00%
Organization and Offering Reimbursement (as a percent)			0.30%
Operating Expense (as a percent)			0.25%
General Partner | Legacy 2 Class Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			5.25%
Organization and Offering Reimbursement (as a percent)			0.30%
Operating Expense (as a percent)			0.25%
General Partner | Global 1 Class Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			4.45%
Organization and Offering Reimbursement (as a percent)			0.30%
Operating Expense (as a percent)			0.25%
General Partner | Global 2 Class Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			4.70%
Organization and Offering Reimbursement (as a percent)			0.30%
Operating Expense (as a percent)			0.25%
General Partner | Global 3 Class Units
General Partner and Related Party Transactions
Brokerage commission (as a percent)			6.45%
Organization and Offering Reimbursement (as a percent)			0.30%
Operating Expense (as a percent)			0.25%