Schedule of Investments (Unaudited) - Futures Contracts | 9 Months Ended | 12 Months Ended |
Sep. 30, 2020USD ($)Contract | Dec. 31, 2019USD ($)Contract |
Schedule of Investments [Line Items] | | | |
Investments in Securities, Value | | $ 1,018,778,966 | $ 1,432,745,979 |
Futures [Member] | Long [Member] | | | |
Schedule of Investments [Line Items] | | | |
Investments in Securities, Value | [1] | 456,229 | 47,694,395 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 456,229 | $ 47,694,395 |
Futures [Member] | Long [Member] | CBOT Corn [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 3,066 | 3,905 |
Commodity Futures Contracts, Expiration Date | | Sep. 30, 2021 | Sep. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 59,518,725 | $ 78,295,250 |
Investments in Securities, Value | [1] | 5,047,527 | (3,026,104) |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 5,047,527 | $ (3,026,104) |
Futures [Member] | Long [Member] | CBOT Soybean [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 1,437 | 1,602 |
Commodity Futures Contracts, Expiration Date | | Nov. 30, 2020 | Nov. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 73,538,475 | $ 78,397,875 |
Investments in Securities, Value | [1] | 5,249,318 | 1,276,086 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 5,249,318 | $ 1,276,086 |
Futures [Member] | Long [Member] | CBOT Wheat [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 2,502 | 2,954 |
Commodity Futures Contracts, Expiration Date | | Jul. 31, 2021 | Jul. 31, 2020 |
Commodity Futures Contracts, Notional Value | | $ 72,808,200 | $ 83,228,950 |
Investments in Securities, Value | [1] | 6,822,380 | 3,287,335 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 6,822,380 | $ 3,287,335 |
Futures [Member] | Long [Member] | CME SWAPS MARKETS (COMEX) Gold [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 659 | 749 |
Commodity Futures Contracts, Expiration Date | | Feb. 28, 2021 | Feb. 29, 2020 |
Commodity Futures Contracts, Notional Value | | $ 125,381,340 | $ 114,080,190 |
Investments in Securities, Value | [1] | 16,014,286 | 14,071,689 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 16,014,286 | $ 14,071,689 |
Futures [Member] | Long [Member] | CME SWAPS MARKETS (COMEX) Silver [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 286 | 323 |
Commodity Futures Contracts, Expiration Date | | May 31, 2021 | May 31, 2020 |
Commodity Futures Contracts, Notional Value | | $ 33,925,320 | $ 29,084,535 |
Investments in Securities, Value | [1] | 9,613,168 | 3,636,158 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 9,613,168 | $ 3,636,158 |
Futures [Member] | Long [Member] | ICE FUTURES EUROPE Brent Crude Oil [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 2,520 | 2,802 |
Commodity Futures Contracts, Expiration Date | | Nov. 30, 2020 | Jan. 31, 2020 |
Commodity Futures Contracts, Notional Value | | $ 107,730,000 | $ 184,932,000 |
Investments in Securities, Value | [1] | (25,750,590) | 10,124,770 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ (25,750,590) | $ 10,124,770 |
Futures [Member] | Long [Member] | LME CLEAR Aluminum [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 1,058 | 1,259 |
Commodity Futures Contracts, Expiration Date | | May 31, 2021 | Apr. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 47,457,913 | $ 57,111,388 |
Investments in Securities, Value | [1] | 5,223,855 | 1,559,850 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 5,223,855 | $ 1,559,850 |
Futures [Member] | Long [Member] | LME CLEAR Copper [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 341 | 386 |
Commodity Futures Contracts, Expiration Date | | May 31, 2021 | Jun. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 56,929,950 | $ 59,694,900 |
Investments in Securities, Value | [1] | 10,312,850 | 4,507,945 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 10,312,850 | $ 4,507,945 |
Futures [Member] | Long [Member] | LME CLEAR Zinc [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 811 | 924 |
Commodity Futures Contracts, Expiration Date | | Aug. 31, 2021 | Mar. 31, 2020 |
Commodity Futures Contracts, Notional Value | | $ 49,420,312 | $ 52,546,725 |
Investments in Securities, Value | [1] | 5,437,181 | 1,010,894 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 5,437,181 | $ 1,010,894 |
Futures [Member] | Long [Member] | ICE FUTURES U.S. Sugar [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 4,623 | 5,329 |
Commodity Futures Contracts, Expiration Date | | Sep. 30, 2021 | Sep. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 66,171,773 | $ 82,842,502 |
Investments in Securities, Value | [1] | 1,372,501 | 7,476,859 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 1,372,501 | $ 7,476,859 |
Futures [Member] | Long [Member] | CME SWAPS MARKETS (NYMEX) Natural Gas [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 2,027 | 3,161 |
Commodity Futures Contracts, Expiration Date | | Apr. 30, 2021 | Apr. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 55,701,960 | $ 69,162,680 |
Investments in Securities, Value | [1] | 6,443,407 | (12,073,446) |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 6,443,407 | $ (12,073,446) |
Futures [Member] | Long [Member] | CME SWAPS MARKETS (NYMEX) NY Harbor ULSD [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 1,484 | 2,184 |
Commodity Futures Contracts, Expiration Date | | May 31, 2021 | May 31, 2020 |
Commodity Futures Contracts, Notional Value | | $ 76,756,932 | $ 180,823,407 |
Investments in Securities, Value | [1] | 4,077,542 | (4,811,899) |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ 4,077,542 | $ (4,811,899) |
Futures [Member] | Long [Member] | CME SWAPS MARKETS (NYMEX) RBOB Gasoline [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 2,378 | 2,649 |
Commodity Futures Contracts, Expiration Date | | Nov. 30, 2020 | Nov. 30, 2020 |
Commodity Futures Contracts, Notional Value | | $ 116,375,515 | $ 176,221,546 |
Investments in Securities, Value | [1] | (29,134,832) | 6,030,558 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ (29,134,832) | $ 6,030,558 |
Futures [Member] | Long [Member] | CME SWAPS MARKETS (NYMEX) WTI Crude Oil [Member] | | | |
Schedule of Investments [Line Items] | | | |
Commodity Futures Contracts, Number of Contracts | Contract | | 2,671 | 3,000 |
Commodity Futures Contracts, Expiration Date | | Feb. 28, 2021 | Feb. 29, 2020 |
Commodity Futures Contracts, Notional Value | | $ 110,766,370 | $ 182,310,000 |
Investments in Securities, Value | [1] | (20,272,364) | 14,623,700 |
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) | [1] | $ (20,272,364) | $ 14,623,700 |
| |
[1] | Unrealized Appreciation (Depreciation) and Value are presented above, net by contract. | |