Derivative Instruments (Schedule Of Net Unrealized Appreciation (Depreciation) On Futures And Forward Currency Contracts By Settlement Currency Type) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (285,046)	$ 3,327,398
Percent of Total	100.00%	100.00%
Australia Dollar [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (70,609)	$ 21,534
Percent of Total	24.77%	0.65%
Brazilian Real [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 2,054	$ 2,460
Percent of Total	(0.72%)	0.07%
British Pounds [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (389,866)	$ 95,686
Percent of Total	136.77%	2.88%
Canada Dollar [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 184,561	$ 50,921
Percent of Total	(64.75%)	1.53%
Euro [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (109,931)	$ 65,867
Percent of Total	38.57%	1.98%
Hong Kong Dollar [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (7,163)	$ 343,352
Percent of Total	2.51%	10.32%
Japanese Yen [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (129,898)	$ 7,044
Percent of Total	45.57%	0.21%
Korea Won [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 12,165
Percent of Total	(4.27%)
Malaysia Ringgit [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 7,837	$ (454)
Percent of Total	(2.75%)	(0.01%)
Norway Krone [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 27,410	$ 28,582
Percent of Total	(9.62%)	0.86%
Poland Zlotych [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 37,847	$ 5,645
Percent of Total	(13.28%)	0.17%
Singapore Dollar [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 8,030	$ 2,506
Percent of Total	(2.82%)	0.08%
South Africa Rand [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (53,740)	$ (709)
Percent of Total	18.85%	(0.02%)
Sweden Kronor [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 145,312	$ (38,236)
Percent of Total	(50.98%)	(1.15%)
Taiwan Dollar [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)		$ 4,160
Percent of Total		0.13%
Thailand Baht [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ (760)	$ (898)
Percent of Total	0.27%	(0.03%)
U.S. Dollar [Member]
Derivative [Line Items]
Total Net Unrealized Appreciation (Depreciation)	$ 51,705	$ 2,739,938
Percent of Total	(18.12%)	82.33%