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Statements of Cash Flows - USD ($)		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities:
Net income (loss)		$ 75,029,489	$ 18,400,201	$ (202,815,769)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Change in unrealized (gain) loss on open commodity futures contracts		146,128,350	(15,817,312)	(6,313,791)
(Increase) decrease in dividends receivable		(1,103,225)	(5,150)	140,084
(Increase) decrease in interest receivable		(329,524)	8,906	(8,959)
(Increase) decrease in prepaid insurance	[1]	(3,519)	479	(6,015)
(Increase) decrease in prepaid registration fees			103,290	364,200
(Increase) decrease in ETF transaction fees receivable		(1,000)	1,000
Increase (decrease) in General Partner management fees payable		40,093	(11,747)	4,957
Increase (decrease) in professional fees payable		288,069	(29,327)	(122,717)
Increase (decrease) in brokerage commissions payable		(6,462)	22,521	107,693
Increase (decrease) in directors' fees payable	[1]	10	2,479	(5,124)
Increase (decrease) in license fees payable		(6,778)	1,694	8,180
Increase (decrease) in related party payable		(4,500,000)	4,500,000
Net cash provided by (used in) operating activities		215,535,503	7,177,034	(208,647,261)
Cash Flows from Financing Activities:
Addition of partnership shares		1,298,186,833	474,128,846	1,003,414,098
Redemption of partnership shares		(1,329,901,038)	(546,118,094)	(813,282,721)
Net cash provided by (used in) financing activities		(31,714,205)	(71,989,248)	190,131,377
Net Increase (Decrease) in Cash and Cash Equivalents		183,821,298	(64,812,214)	(18,515,884)
Total Cash, Cash Equivalents and Equity in Trading Accounts, beginning of year		375,670,353	440,482,567	458,998,451
Total Cash, Cash Equivalents and Equity in Trading Accounts, end of year		$ 559,491,651	$ 375,670,353	$ 440,482,567
[1] Certain prior year amounts have been reclassified for consistency with the current presentation.

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Period Type:	duration

X

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration