Business Combinations, Asset Acquisitions, and Goodwill - Schedule of Business Acquisition, Pro Forma Information, Nonrecurring Adjustments (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Business Combination and Asset Acquisition [Abstract]
Total revenue	$ 2,732,932	$ 2,655,460
Net income attributable to Astrana Health, Inc.	$ 20,885	$ 57,381
Net income per share - basic (in dollars per share)	$ 0.44	$ 1.23
Net income per share - diluted (in dollars per share)	$ 0.44	$ 1.22