Medical Expenses Payable - Schedule of Medical Expenses Payable (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Insurance [Abstract]
Claims incurred but not paid	$ 196,936	$ 168,357	$ 129,245	$ 95,664
Capitation and risk-sharing payable	83,771	52,016
Other	116,027	69,415
Medical expenses payable	$ 396,734	$ 289,788	$ 276,464