Variable Interest Entities - Schedule of Operating Results (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Variable Interest Entity [Line Items]
Medical services revenue	$ 1,482,758	$ 1,069,115	$ 3,087,112	$ 2,123,427
Income (loss) from operations	(43,344)	(28,957)	(50,522)	(28,540)
Net income (loss)	(30,682)	(16,749)	(36,746)	(727)
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Income (loss) from operations	11,325	11,184	20,857	13,185
Net income (loss)	9,921	8,426	15,552	9,760
Physician compensation expense	13,700	16,600	30,400	26,300
Medical services revenue
Variable Interest Entity [Line Items]
Medical services revenue	1,479,579	1,067,234	3,080,774	2,120,353
Expenses	(1,374,060)	(932,823)	(2,817,902)	(1,830,395)
Medical services revenue | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Medical services revenue	446,914	280,820	887,074	561,349
Expenses	(406,921)	(241,844)	(805,713)	(499,321)
Other operating revenue
Variable Interest Entity [Line Items]
Medical services revenue	3,179	1,881	6,338	3,074
Expenses	(76,523)	(81,716)	(161,947)	(165,333)
Other operating revenue | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Expenses	$ (22,268)	$ (23,424)	$ (47,673)	$ (39,168)