v3.26.3
Cover - USD ($)
12 Months Ended
Jun. 30, 2026
Sep. 01, 2026
Dec. 31, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Entity Interactive Data Current Yes    
Amendment Flag false    
Document Period End Date Jun. 30, 2026    
Document Fiscal Year Focus 2026    
Document Fiscal Period Focus FY    
Entity Registrant Name Amplify Commodity Trust    
Entity Central Index Key 0001610940    
Entity Tax Identification Number 36-4793446    
Current Fiscal Year End Date --06-30    
Entity Current Reporting Status Yes    
Entity Filer Category Non-accelerated Filer    
Entity File Number 001-36851    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Public Float     $ 0
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 3333 Warrenville Road    
Entity Address, Address Line Two Suite 350    
Entity Address, City or Town Lisle    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60532    
City Area Code 855    
Local Phone Number 267-3837    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Shares of Breakwave Dry Bulk Shipping ETF      
Document Information [Line Items]      
Trading Symbol BDRY    
Title of 12(b) Security Shares of Breakwave Dry Bulk Shipping ETF    
Security Exchange Name NYSEArca    
Shares of Breakwave Tanker Shipping ETF      
Document Information [Line Items]      
Trading Symbol BWET    
Title of 12(b) Security Shares of Breakwave Tanker Shipping ETF    
Security Exchange Name NYSEArca    
BDRY      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   2,250,040  
BWET      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   280,100