Medical Claims and Related Payables - Schedule Changes in Medical Claims and Related Payables (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Medical claims and related payables, beginning of the year	$ 723,071	$ 339,748
Components of incurred costs related to:
Incurred cost related to claims	2,817,902	1,981,561
Claims paid related to:
Claims paid related	(2,456,798)	(1,234,349)
Medical claims and related payables, end of the period	1,084,175	1,086,960
Continuing Operations
Components of incurred costs related to:
Current year	2,802,803	1,790,634
Prior years	15,099	39,761
Claims paid related to:
Current year	(1,806,692)	(774,743)
Prior years	(650,106)	(304,682)
Discontinued Operations
Components of incurred costs related to:
Current year	0	146,585
Prior years	0	4,581
Claims paid related to:
Current year	0	(107,907)
Prior years	$ 0	$ (47,017)