    <SEC-DOCUMENT>0001379785-24-000018-index.html : 20240223
    <SEC-HEADER>0001379785-24-000018.hdr.sgml : 20240223
    <ACCEPTANCE-DATETIME>20240223161253
    ACCESSION NUMBER:		0001379785-24-000018
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20240507
    FILED AS OF DATE:		20240223
    DATE AS OF CHANGE:		20240223

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Barings BDC, Inc.
    		CENTRAL INDEX KEY:			0001379785
    		ORGANIZATION NAME:
    		IRS NUMBER:				061798488
    		STATE OF INCORPORATION:			NC
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	814-00733
    		FILM NUMBER:		24671295

    	BUSINESS ADDRESS:
    		STREET 1:		300 SOUTH TRYON STREET
    		STREET 2:		SUITE 2500
    		CITY:			CHARLOTTE
    		STATE:			NC
    		ZIP:			28202
    		BUSINESS PHONE:		(704) 805-7200

    	MAIL ADDRESS:
    		STREET 1:		300 SOUTH TRYON STREET
    		STREET 2:		SUITE 2500
    		CITY:			CHARLOTTE
    		STATE:			NC
    		ZIP:			28202

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Triangle Capital CORP
    		DATE OF NAME CHANGE:	20061101
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PRE 14A
    <SEQUENCE>1
    <FILENAME>bbdc-20240223.htm
    <DESCRIPTION>PRE 14A
    <TEXT>
    Document 1 - file: bbdc-20240223.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>bbdc-20240223.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 2 - file: bbdc-20240223.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>bbdc-20240223_g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: bbdc-20240223_g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>bbdc-20240223_g2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: bbdc-20240223_g2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>bbdc-20240223_g3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: bbdc-20240223_g3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>6
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 6 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>8
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: FilingSummary.html

    Document 12 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>14
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>15
    <FILENAME>0001379785-24-000018-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: 0001379785-24-000018-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>bbdc-20240223_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: bbdc-20240223_htm.html

    Document 16 - RAW XML: bbdc-20240223_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>