Cover Page - shares	9 Months Ended
	Sep. 30, 2024	Nov. 01, 2024
Document Information [Line Items]
Document Type	10-Q
Document Period End Date	Sep. 30, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Registrant Name	Guardian Pharmacy Services, Inc.
Entity Central Index Key	0001802255
Entity File Number	001-42284
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false
Entity Tax Identification Number	87-3627139
Entity Address, Address Line One	300 Galleria Parkway SE
Entity Address, Address Line Two	Suite 800
Entity Address, City or Town	Atlanta
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30339
City Area Code	404
Local Phone Number	810-0089
Trading Symbol	GRDN
Security Exchange Name	NYSE
Title of 12(b) Security	Class A Common Stock, par value $0.001 per share
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Ex Transition Period	false
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		9,200,000
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		54,094,232