Business Combinations and Goodwill - Schedule of Business Acquisition, Pro Forma Information, Nonrecurring Adjustments (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Business Combination and Asset Acquisition [Abstract]
Business Acquisition, Pro Forma Revenue	$ 478,710	$ 430,399	$ 1,434,813	$ 1,207,867
Net income attributable to Astrana Health, Inc.	$ 16,094	$ 26,215	$ 54,148	$ 64,875
Net income per share - basic (in dollars per share)	$ 0.34	$ 0.56	$ 1.14	$ 1.39
Net income per share - diluted (in dollars per share)	$ 0.33	$ 0.56	$ 1.13	$ 1.38