v3.25.1
Cover
Jun. 05, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 05, 2025
Entity File Number 001-730430
Entity Registrant Name Kiniksa Pharmaceuticals International, plc
Entity Central Index Key 0001730430
Entity Tax Identification Number 98-1795578
Entity Incorporation, State or Country Code X0
Entity Address, Address Line One 23 Old Bond Street, Floor 3
Entity Address, City or Town London
Entity Address, Country GB
Entity Address, Postal Zip Code W1S 4PZ
City Area Code 781
Local Phone Number 431-9100
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A Ordinary Shares, $0.000273235 nominal value
Trading Symbol KNSA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false