v3.25.2
Cover
Aug. 20, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 20, 2025
Entity Registrant Name FATHOM HOLDINGS INC.
Entity Incorporation, State or Country Code NC
Entity File Number 001-39412
Entity Tax Identification Number 82-1518164
Entity Address, Address Line One 2000 Regency Parkway Drive
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Cary
Entity Address, State or Province NC
Entity Address, Postal Zip Code 27518
City Area Code 888
Local Phone Number 455-6040
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, No Par Value
Trading Symbol FTHM
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Central Index Key 0001753162
Amendment Flag false