Medical Expenses Payable - Schedule of Components of Change in Medical Expenses Payable (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Claims incurred but not paid - beginning balance	$ 168,357	$ 95,664
Incurred related to:
Current year	282,332	198,675
Prior years	(14,596)	(4,969)
Total incurred, net of reinsurance	267,736	193,706
Payments related to:
Current year	123,768	91,486
Prior years	115,389	68,639
Total payments, net of reinsurance	239,157	160,125
Claims incurred but not paid - ending balance	196,936	129,245
Capitation payable, risk-sharing payable, and other	199,798	147,219
Medical expenses payable	$ 396,734	$ 276,464	$ 289,788