Cover - shares	3 Months Ended
	Mar. 31, 2024	Apr. 29, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-37392
Entity Registrant Name	Astrana Health, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	95-4472349
Entity Address, Address Line One	1668 S. Garfield Avenue
Entity Address, Address Line Two	2nd Floor
Entity Address, City or Town	Alhambra
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	91801
City Area Code	626
Local Phone Number	282-0288
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	ASTH
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		56,025,538
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001083446
Current Fiscal Year End Date	--12-31