Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
General and administrative	$ 268,912	$ 285,760	$ 207,789
Accounts payable, accrued expenses and other	220,342	239,432
Revenues	6,060,530	4,316,363	2,388,220
Other income (expense), net	34,489	27,840	13,930
Receivables, net	$ 1,017,040	942,461
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	$ 8,000	8,900	9,600
Accounts payable, accrued expenses and other	1,200	1,500
CMS ACO Models | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Related Party Transaction [Line Items]
Revenues	3,900	1,600	1,600
Other income (expense), net	14,900	2,900	$ 2,800
Receivables, net	$ 7,000	6,300
Related Party
Related Party Transaction [Line Items]
General and administrative		$ 1,700