Derivative Instruments (Offsetting Derivative Assets) (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Offsetting Assets [Line Items]
Gross amounts of recognized assets	$ 9,354,058	$ 2,586,512
Gross amounts offset in the Statement of Financial Condition	(5,279,279)	(1,489,040)
Net amounts of assets presented in the Statement of Financial Condition	4,074,779	1,097,472
Financial Instruments
Collateral Received	(2,281,706)	(1,097,472)
Net Amount	$ 1,793,073
Collateral disclosed as a percentage of net assets, maximum allowed	100.00%	100.00%
Counterparty C [Member]
Offsetting Assets [Line Items]
Net amounts of assets presented in the Statement of Financial Condition	$ 701,749	$ 375,182
Financial Instruments
Collateral Received	(701,749)	(375,182)
Net Amount
Counterparty G [Member]
Offsetting Assets [Line Items]
Net amounts of assets presented in the Statement of Financial Condition	1,793,073
Net Amount	1,793,073
Counterparty I [Member]
Offsetting Assets [Line Items]
Net amounts of assets presented in the Statement of Financial Condition	1,070,168	312,688
Financial Instruments
Collateral Received	(1,070,168)	(312,688)
Net Amount
Counterparty J [Member]
Offsetting Assets [Line Items]
Net amounts of assets presented in the Statement of Financial Condition	509,789	409,602
Financial Instruments
Collateral Received	(509,789)	(409,602)
Net Amount
Futures Contracts [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	4,309,122
Gross amounts offset in the Statement of Financial Condition	(2,027,416)
Net amounts of assets presented in the Statement of Financial Condition	2,281,706
Futures Contracts [Member] \| Counterparty C [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	885,328	719,162
Gross amounts offset in the Statement of Financial Condition	(183,579)	(343,980)
Net amounts of assets presented in the Statement of Financial Condition	701,749	375,182
Futures Contracts [Member] \| Counterparty I [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	2,799,749	1,247,715
Gross amounts offset in the Statement of Financial Condition	(1,729,581)	(935,027)
Net amounts of assets presented in the Statement of Financial Condition	1,070,168	312,688
Futures Contracts [Member] \| Counterparty J [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	624,045	619,635
Gross amounts offset in the Statement of Financial Condition	(114,256)	(210,033)
Net amounts of assets presented in the Statement of Financial Condition	509,789	$ 409,602
Forward Currency Contracts [Member] \| Counterparty G [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	5,044,936
Gross amounts offset in the Statement of Financial Condition	(3,251,863)
Net amounts of assets presented in the Statement of Financial Condition	$ 1,793,073

Collateral As A Percentage Of Net Assets, Maximum

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- Definition

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement, deducted from derivative assets.

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