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Schedule of Investments (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Expiration date	7-day	7-day
Collateral Amount On Open Commodity Futures Contracts	$ 127,265,650	$ 97,539,600
Money Market Funds [Member] | Cash Equivalents [Member] | Goldman Sachs Financial Square Government Fund Institutional Shares [Member]
Investment Interest Rate	0.03%
Money Market Funds [Member] | Cash Equivalents [Member] | Morgan Stanley Institutional Liquidity Funds Government Portfolio Institutional Shares [Member]
Investment Interest Rate	0.03%
Money Market Funds [Member] | Cash Equivalents [Member] | Fidelity Investments Money Market Funds Government Portfolio [Member]
Investment Interest Rate		0.01%
Money Market Funds [Member] | Cash Equivalents [Member] | RBC U.S. Government Money Market Fund - Institutional Share Class [Member]
Investment Interest Rate	0.03%	0.02%

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The collateral amount on open future contracts.

+ References

No definition available.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 5D
-Subparagraph (SX 210.12-13D(Footnote 8(d)))
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-Topic 946
-SubTopic 320
-Section S99
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-Subparagraph (SX 210.12-14.4(b))
-URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010

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