Schedule of Investments (Unaudited) - Futures Contracts		3 Months Ended	12 Months Ended
		Mar. 31, 2021 USD ($) Contract	Dec. 31, 2020 USD ($) Contract
Schedule of Investments [Line Items]
Currency Futures Contracts, Value		$ 377,252,939	$ 365,394,178
Futures [Member] | United States of America, Dollars [Member] | Long [Member]
Schedule of Investments [Line Items]
Currency Futures Contracts, Number of Contracts | Contract		4,041	4,074
Currency Futures Contracts, Expiration Date		Jun. 30, 2021	Mar. 31, 2021
Currency Futures Contracts, Notional Value		$ 376,776,676	$ 366,228,156
Currency Futures Contracts, Value	[1]	6,008,480	(3,888,484)
Currency Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ 6,008,480	$ (3,888,484)

[1] Unrealized Appreciation (Depreciation) and Value are presented above, net by contract.