Medical Expenses Payable - Schedule of Components of Change in Medical Expenses Payable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Insurance [Abstract]
Claims incurred but not paid - beginning balance	$ 95,664	$ 88,813	$ 77,073
Incurred related to:
Current year	832,819	492,315	400,939
Prior years	(9,245)	(14,555)	(15,402)
Total incurred, net of reinsurance	823,574	477,760	385,537
Payments related to:
Current year	670,471	400,465	315,187
Prior years	80,410	70,444	58,610
Total payments, net of reinsurance	750,881	470,909	373,797
Claims incurred but not paid - ending balance	168,357	95,664	88,813
Capitation payable, risk-sharing payable, and other	121,431	109,735	81,322
Total medical expenses payable	$ 289,788	$ 205,399	$ 170,135