Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
General and administrative	$ 238,536	$ 268,912	$ 285,760
Receivables, net	673,793	1,017,040
Accounts payable and accrued expenses	127,477	220,342
Revenues	5,932,576	6,060,530	4,316,363
Other income (expense), net	$ 67,616	34,489	27,840
Population Health, LLC
Related Party Transaction [Line Items]
Percentage of ownership interest	49.00%
Population Health, LLC | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Related Party Transaction [Line Items]
Expenses	$ 7,000	8,000	8,900
Accounts payable and accrued expenses	600	1,200
CMS ACO Models | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Related Party Transaction [Line Items]
Receivables, net	51,300	7,000
Revenues	3,500	3,900	1,600
Other income (expense), net	50,100	$ 14,900	2,900
Related Party
Related Party Transaction [Line Items]
General and administrative			$ 1,700
Expenses	8,400
Receivables, net	$ 5,200