Medical Liabilities (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023
Medical Liabilities [Roll Forward]
Medical liabilities, beginning of period		$ 106,657	$ 81,255
Acquired* (see Note 3)	[1]	34,074	4,757
Components of medical care costs related to claims incurred:
Current period		519,975	441,443
Prior periods		(3,467)	(12,066)
Total medical care costs		516,508	429,377
Payments for medical care costs related to claims incurred:
Current period		(394,391)	(338,327)
Prior periods		(110,932)	(79,071)
Total paid		(505,323)	(417,398)
Adjustments		(434)	2,056
Medical liabilities, end of period		$ 151,482	$ 100,047

[1] *The acquired balance includes medical liabilities from current and prior periods.