Variable Interest Entities - Summary of Operating Results (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsidiary Or Equity Method Investee [Line Items]
Total revenues		$ 2,708,211	$ 1,833,559	$ 1,218,333
Medical services expense		(2,399,798)	(1,647,659)	(1,021,877)
Other medical expenses		196,127	109,487	102,306
Income (loss) from operations		(120,431)	(393,952)	(56,673)
Net income (loss)		(106,553)	(406,487)	(60,052)
Medical Services Revenue
Subsidiary Or Equity Method Investee [Line Items]
Total revenues		2,704,396	1,829,735	$ 1,214,270
Direct Contracting Entities
Subsidiary Or Equity Method Investee [Line Items]
Medical services expense		(991,565)	(424,816)
Other medical expenses	[1]	52,041	12,219
Income (loss) from operations		14,294	(6,737)
Net income (loss)	[2]	10,556	(7,143)
Direct Contracting Entities | Medical Services Revenue
Subsidiary Or Equity Method Investee [Line Items]
Total revenues		$ 1,071,302	$ 437,081

[1] For the years ended December 31, 2022 and 2021, includes physician compensation expenses of $27.1 million and $1.0 million, respectively.

[2] Included in Other income (expense), net in the consolidated statement of operations.