v3.25.2
Cover
Jul. 01, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 01, 2025
Entity File Number 000-54755
Entity Registrant Name CION Investment Corp
Entity Central Index Key 0001534254
Entity Tax Identification Number 45-3058280
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 100 Park Avenue
Entity Address, Address Line Two 25th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10017
City Area Code 212
Local Phone Number 418-4700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common stock, par value $0.001 per share
Trading Symbol CION
Security Exchange Name NYSE
7.50% Notes due 2029 [Member]  
Document Information [Line Items]  
Title of 12(b) Security 7.50% Notes due 2029
Trading Symbol CICB
Security Exchange Name NYSE