Statements of Income and Expenses (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income
Interest Income	$ 2,653,349	$ 9,194,637
Dividends from Affiliates	2,028,849	2,018,009
Total Income	4,682,198	11,212,646
Expenses
Management Fees	2,481,465	3,969,916
Brokerage Commissions and Fees	95,778	96,344
Interest Expense	22,212	214,655
Total Expenses	2,599,455	4,280,915
Less: Waivers	(178,500)	(98,734)
Net Expenses	2,420,955	4,182,181
Net Investment Income (Loss)	2,261,243	7,030,465
Net Realized Gain (Loss) on
United States Treasury Obligations	149,132	(20,868)
Commodity Futures Contracts	(64,626,082)	(38,427,269)
Net Realized Gain (Loss)	(64,476,950)	(38,448,137)
Net Change in Unrealized Gain (Loss) on
United States Treasury Obligations	134,500	117,402
Affiliated Investments	1,542,060	118,620
Commodity Futures Contracts	(318,585,768)	223,972,176
Net Change in Unrealized Gain (Loss)	(316,909,208)	224,208,198
Net Realized and Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	(381,386,158)	185,760,061
Net Income (Loss)	$ (379,124,915)	$ 192,790,526