Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 10, 2022
Cover [Abstract]
Document Type	10-Q/A
Document Quarterly Report	true
Amendment Flag	true
Amendment Description	The registrant’s Form 10-Q filed with the SEC on August 10, 2022 did not include inline XBRL tagging. The sole purpose of this Amendment No. 1 to the registrant’s Form 10-Q for the quarterly period ended June 30, 2022 is to add inline XBRL tagging to the Form 10-Q in accordance with Rule 405 of Regulation S-T.No changes have been made to the registrant’s Form 10-Q. This Amendment No. 1 does not reflect any subsequent events occurring after the original filing date of the Form 10-Q or modify or update in any way disclosures made in the original filing.
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Securities Act File Number	814-01132
Entity Registrant Name	Crescent Capital BDC, Inc.
Entity Central Index Key	0001633336
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	47-3162282
Entity Address, Address Line One	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
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	CCAP
Security Exchange Name	NASDAQ
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		30,887,360