v3.25.2
Cover
Jul. 30, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 30, 2025
Entity Registrant Name Franklin BSP Realty Trust, Inc.
Entity Incorporation, State or Country Code MD
Entity File Number 001-40923
Entity Tax Identification Number 46-1406086
Entity Address, Address Line One 1 Madison Ave
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10010
City Area Code 212
Local Phone Number 588-6770
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001562528
Amendment Flag false
Common Stock  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol FBRT
Security Exchange Name NYSE
Series E Preferred Stock  
Document Information [Line Items]  
Title of 12(b) Security 7.50% Series E Cumulative Redeemable Preferred Stock, par value $0.01 per share
Trading Symbol FBRT PRE
Security Exchange Name NYSE