v3.25.4
Cover
Mar. 03, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 03, 2026
Entity Registrant Name American Integrity Insurance Group, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-42634
Entity Tax Identification Number 33-2925846
Entity Address, Address Line One 5426 Bay Center Drive
Entity Address, Address Line Two Suite 600
Entity Address, City or Town Tampa
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33609
City Area Code 813
Local Phone Number 880-7000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol AII
Security Exchange Name NYSE
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Entity Central Index Key 0002007587