Variable Interest Entities - Summary of Consolidated Asset and Liabilities Include VIE Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 168,339	$ 497,070
Receivables, net	1,345,711	497,574
Prepaid expenses and other current assets	36,512	34,119
Property and equipment, net	26,203	20,050
Intangible assets, net	92,657	67,680
Liabilities
Medical claims and related payables	1,005,762	346,727
Accounts payable and accrued expenses	290,563	183,364
Variable Interest Entity
Assets
Cash and cash equivalents	86,581	155,819
Restricted cash equivalents	10,202	10,610
Receivables, net	1,334,394	492,077
Prepaid expenses and other current assets	20,781	15,515
Property and equipment, net	1,817	1,567
Intangible assets, net	20,187	17,347
Other assets, net	9,790	10,371
Liabilities
Medical claims and related payables	962,505	300,798
Accounts payable and accrued expenses	259,553	159,526
Other liabilities	$ 4,188	$ 2,059