v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2026  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 000-56685  
Entity Registrant Name Fortress Credit Realty Income Trust  
Entity Central Index Key 0002026738  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 99-3367363  
Entity Address, Address Line One 1345 Avenue of the Americas  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10105  
City Area Code 212  
Local Phone Number 798-6100  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Class B Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   26,499,016
Class R Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   4,386,201
Class J-1 Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   16,426,231
Class J-2 Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,502,921
Class J-4 [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,671,842
Class S Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,826,957
Class D Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   337,883
Class I Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   10,733,666
Class E Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,298,650
Class F-I Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   111,410
Class F-S Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   292,518