Medical Claims and Related Payables - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Liability For Claims And Claims Adjustment Expense [Line Items]
Medical claims and related payables		$ 737,724	$ 300,798
Related payables associated with retained liability				$ 200
Subsequent Event
Liability For Claims And Claims Adjustment Expense [Line Items]
Medical claims and related payables	$ 1,160,000
Current Liabilities Held For Sale And Discontinued Operations
Liability For Claims And Claims Adjustment Expense [Line Items]
Medical claims and related payables		1,800	45,900	$ 44,100	$ 67,000
Prepaid Expenses and Other Current Assets
Liability For Claims And Claims Adjustment Expense [Line Items]
Medical claims and related payables		$ 14,700	$ 7,000