CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (110,207)	$ (117,615)	$ (202,465)	$ (154,311)
Other comprehensive income (loss):
Net unrealized gain (loss) on marketable securities, net of tax	89	2,736	911	2,604
Foreign currency translation adjustment	4	12	57	(5)
Total comprehensive income (loss)	(110,114)	(114,867)	(201,497)	(151,712)
Comprehensive (income) loss attributable to noncontrolling interests	0	0	0	(50)
Total comprehensive income (loss) attributable to agilon health, inc.	$ (110,114)	$ (114,867)	$ (201,497)	$ (151,762)