Cover - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 14, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Securities Act File Number	814-01185
Entity Registrant Name	Hancock Park Corporate Income, Inc.
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	81-0850535
Entity Address, Address Line One	10 S. Wacker Drive
Entity Address, Address Line Two	Suite 2500
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60606
City Area Code	847
Local Phone Number	734-2000
Title of 12(g) Security	Common Stock, par value $0.001 per share
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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	true
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,019,330
Entity Central Index Key	0001661306
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Public Float	$ 0