v3.22.2.2
Schedule of futures contracts (Parentheticals) - Futures Contracts [Member] - USD ($)
Jun. 30, 2022
Jun. 30, 2021
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring July 29, 2022 [Member}    
Market Value $ 5,657,430  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring August 26, 2022 [Member]    
Market Value 5,836,695  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring September 23, 2022 [Member]    
Market Value 5,957,055  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring July 29, 2022 [Member]    
Market Value 1,479,000  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring August 26, 2022 [Member]    
Market Value 1,521,480  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring September 23, 2022 [Member]    
Market Value 1,477,500  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Capesize Time Charter Expiring July 29, 2022 [Member]    
Market Value 6,462,040  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Capesize Time Charter Expiring August 26, 2022 [Member]    
Market Value 7,460,960  
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Capesize Time Charter Expiring July 30, 2021 [Member]    
Market Value 8,275,540 $ 15,947,020
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring July 30, 2021 [Member]    
Market Value   16,372,965
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring August 27, 2021 [Member]    
Market Value   16,231,590
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring September 24, 2021 [Member]    
Market Value   15,374,205
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring July 30, 2021 [Member]    
Market Value   3,621,450
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring August 27, 2021 [Member]    
Market Value   3,683,610
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring September 24, 2021 [Member]    
Market Value   3,427,200
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Capesize Time Charter Expiring August 27, 2021 [Member]    
Market Value   17,744,375
Unrealized Appreciation/ (Depreciation) [Member] | Baltic Capesize Time Charter Expiring September 24, 2021 [Member]    
Market Value   17,442,220
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring July 29, 2022 [Member}    
Market Value 5,657,430  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring August 26, 2022 [Member]    
Market Value 5,836,695  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring September 23, 2022 [Member]    
Market Value 5,957,055  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring July 29, 2022 [Member]    
Market Value 1,479,000  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring August 26, 2022 [Member]    
Market Value 1,521,480  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring September 23, 2022 [Member]    
Market Value 1,477,500  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Capesize Time Charter Expiring July 29, 2022 [Member]    
Market Value 6,462,040  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Capesize Time Charter Expiring August 26, 2022 [Member]    
Market Value 7,460,960  
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Capesize Time Charter Expiring July 30, 2021 [Member]    
Market Value $ 8,275,540 15,947,020
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring July 30, 2021 [Member]    
Market Value   16,372,965
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring August 27, 2021 [Member]    
Market Value   16,231,590
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Panamax T/C Average Shipping Route Index Expiring September 24, 2021 [Member]    
Market Value   15,374,205
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring July 30, 2021 [Member]    
Market Value   3,621,450
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring August 27, 2021 [Member]    
Market Value   3,683,610
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Exchange Supramax T/C Average Shipping Route Expiring September 24, 2021 [Member]    
Market Value   3,427,200
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Capesize Time Charter Expiring August 27, 2021 [Member]    
Market Value   17,744,375
ETF MANAGERS GROUP COMMODITY TRUST I [Member] | Baltic Capesize Time Charter Expiring September 24, 2021 [Member]    
Market Value   $ 17,442,220