Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

No definition available.

Name:	dei_AmendmentFlag
Namespace Prefix:	dei_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

- Definition

PCAOB issued Audit Firm Identifier

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 10-K
-Number 249
-Section 310

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 20-F
-Number 249
-Section 220
-Subsection f

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 40-F
-Number 249
-Section 240
-Subsection f

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Dec. 31, 2023	Feb. 21, 2024	Jun. 30, 2023
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Transition Report	false
Entity Registrant Name	Crescent Capital BDC, Inc.
Entity Central Index Key	0001633336
Current Fiscal Year End Date	--12-31
Entity File Number	814-01132
Entity Incorporation State Country Code	MD
Entity Tax Identification Number	47-3162282
Entity Address Address Line1	11100 Santa Monica Blvd
Entity Address, Address Line Two	Suite 2000
Entity Address City Or Town	Los Angeles
Entity Address State Or Province	CA
Entity Address Postal Zip Code	90025
City Area Code	310
Local Phone Number	235-5900
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		37,061,547
Entity Public Float			$ 292.7
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Document Financial Statement Error Correction [Flag]	false
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the Registrant’s proxy statement for the 2024 annual meeting of stockholders to be filed not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K are incorporated by reference in Part III.
Auditor Name	Ernst & Young LLP
Auditor Firm ID	42
Auditor Location	Los Angeles, California
Common Stock
Document Information [Line Items]
Trading Symbol	CCAP
Security12b Title	Common Stock, $0.001 par value per share
Security Exchange Name	NASDAQ
5.00% Notes due 2026
Document Information [Line Items]
Trading Symbol	FCRX
Security12b Title	5.00% Notes due 2026
Security Exchange Name	NYSE