v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 11, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 333-273163  
Entity Registrant Name EQT Exeter Real Estate Income Trust, Inc.  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 88-4108741  
Entity Address, Address Line One Five Radnor Corporate Center  
Entity Address, Address Line Two 100 Matsonford Road, Suite 250  
Entity Address, City or Town Radnor  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 19087  
City Area Code 610  
Local Phone Number 828-3200  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Shell Company false  
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001946997  
Current Fiscal Year End Date --12-31  
Class I Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   623,978
Class A-I Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,779,117
Class A-II Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,581,860
Class E Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   135,204
Class T Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,473
Common Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Common Class D    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0