v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Aug. 08, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 000-56163  
Entity Registrant Name FS Credit Real Estate Income Trust, Inc.  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 81-4446064  
Entity Address, Address Line One 201 Rouse Boulevard  
Entity Address, City or Town Philadelphia  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 19112  
City Area Code 215  
Local Phone Number 495-1150  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001690536  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Common Stock Class F    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   590,406
Common Stock Class Y    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   843,658
Common Stock Class T    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   773,110
Common Stock Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   65,851,785
Common Stock Class D    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   390,835
Common Stock Class M    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,980,293
Common Stock Class I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   49,026,608