Medical Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Medical Liabilities [Roll Forward]
Medical liabilities, beginning of year	$ 81,255	$ 55,783
Acquired (see Note 3)	6,157	2,956
Components of medical care costs related to claims incurred:
Current period	866,501	646,679
Prior periods	(13,566)	5,152
Total medical care costs	852,935	651,831
Payments for medical care costs related to claims incurred:
Current period	(759,354)	(559,751)
Prior periods	(76,696)	(67,149)
Total paid	(836,050)	(626,900)
Adjustments	2,360	(2,415)
Medical liabilities, end of year	$ 106,657	$ 81,255