v3.25.4
Cover
Mar. 06, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 06, 2026
Entity File Number 1-32026
Entity Registrant Name Cohen & Co Inc.
Entity Central Index Key 0001270436
Entity Tax Identification Number 16-1685692
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One Cira Centre
Entity Address, Address Line Two 2929 Arch Street, Suite 1703
Entity Address, City or Town Philadelphia
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19104
City Area Code 215
Local Phone Number 701-9555
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol COHN
Security Exchange Name NYSEAMER
Entity Emerging Growth Company false