v3.22.2.2
Document And Entity Information - shares
 3 Months Ended
Sep. 30, 2022
Nov. 01, 2022
Document Information Line Items    
Entity Registrant Name ETF Managers Group Commodity Trust I  
Trading Symbol BDRY  
Document Type 10-Q  
Current Fiscal Year End Date --06-30  
Entity Common Stock, Shares Outstanding   3,950,040
Amendment Flag false  
Entity Central Index Key 0001610940  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Sep. 30, 2022  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q1  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-36851  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 36-4793446  
Entity Address, Address Line One 30 Maple Street  
Entity Address, Address Line Two Suite 2  
Entity Address, City or Town Summit  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07901  
City Area Code 844  
Local Phone Number 383-6477  
Title of 12(b) Security Shares of Breakwave Dry Bulk Shipping ETF  
Security Exchange Name NYSEArca  
Entity Interactive Data Current Yes