v3.23.1
Cover
May 31, 2023
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 31, 2023
Entity File Number 001-40923
Entity Registrant Name Franklin BSP Realty Trust, Inc.
Entity Central Index Key 0001562528
Entity Tax Identification Number 46-1406086
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 1345 Avenue of the Americas
Entity Address, Address Line Two Suite 32A
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 588-6770
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
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 [Member]  
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