v3.25.1
Cover
Jun. 09, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 09, 2025
Entity Registrant Name Carlyle Secured Lending, Inc.
Entity Central Index Key 0001544206
Entity Incorporation, State or Country Code MD
Entity File Number 814-00995
Entity Tax Identification Number 80-0789789
Entity Address, Address Line One One Vanderbilt Avenue, Suite 3400
Entity Address, City or Town New York,
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10017
City Area Code 212
Local Phone Number 813-4900
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol CGBD
Security Exchange Name NASDAQ
Entity Emerging Growth Company false