Variable Interest Entities - Summary of Aggregated VIE Assets and Liabilities and Performance (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Variable Interest Entity [Line Items]
Total Assets	$ 2,141,405		$ 2,141,405		$ 2,143,539
Total Liabilities	1,300,408		1,300,408		1,344,971
Total revenue	689,373	$ 343,581	1,393,515	$ 618,183
Operating expenses:
Selling, general and administrative expenses	106,179	47,159	202,849	82,168
Depreciation and amortization expense	19,836	7,945	38,872	13,791
Transaction costs and other	6,207	16,114	14,583	25,068
Total operating expenses	720,422	398,145	1,436,299	677,522
Net income (loss)	(14,564)	(36,289)	(14,649)	(52,403)
Variable Interest Entity, Primary Beneficiary | Physicians Groups
Variable Interest Entity [Line Items]
Total Assets	114,577		114,577		80,445
Total Liabilities	88,037		88,037		$ 59,988
Total revenue	24,754	1,309	39,072	2,300
Operating expenses:
Third-party medical costs	18,792	0	25,423	0
Direct patient expense	7,666	1,585	13,430	2,790
Selling, general and administrative expenses	9,114	2,950	20,753	5,263
Depreciation and amortization expense	1,078	260	1,892	507
Transaction costs and other	862	0	862	0
Total operating expenses	37,512	4,795	62,360	8,560
Net income (loss)	$ (12,758)	$ (3,486)	$ (23,288)	$ (6,260)