v3.25.2
Cover
Aug. 06, 2025
Cover [Abstract]  
Document Type 8-K/A
Document Period End Date Aug. 06, 2025
Entity Registrant Name First Watch Restaurant Group, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40866
Entity Tax Identification Number 82-4271369
Entity Address, Address Line One 8725 Pendery Place
Entity Address, Address Line Two Suite 201
Entity Address, City or Town Bradenton
Entity Address, State or Province FL
Entity Address, Postal Zip Code 34201
City Area Code 941
Local Phone Number 907-9800
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, $0.01 par value
Trading Symbol FWRG
Entity Emerging Growth Company true
Entity Ex Transition Period true
Security Exchange Name NASDAQ
Entity Central Index Key 0001789940
Amendment Flag false