Medical Expenses Payable - Schedule of Medical Expenses Payable (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Insurance [Abstract]
Claims incurred but not paid	$ 84,883	$ 77,073	$ 81,337	$ 82,391
Capitation payable, risk-sharing payable, and other	70,080	48,813
Total medical expenses payable	$ 154,963	$ 125,886	$ 128,673