XML 17 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 20, 2025
Jun. 28, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Securities Act File Number 814-00733    
Entity Registrant Name Barings BDC, Inc.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 06-1798488    
Entity Address, Address Line One 300 South Tryon Street    
Entity Address, Address Line Two Suite 2500    
Entity Address, City or Town Charlotte    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28202    
City Area Code 704    
Local Phone Number 805-7200    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol BBDC    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 891,303,268
Entity Common Stock, Shares Outstanding   105,408,938  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement relating to the registrant's 2025 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission within 120 days following the end of the registrant's fiscal year, are incorporated by reference in Part III of this Annual Report on Form 10-K as indicated herein.
    
Entity Central Index Key 0001379785    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false