Summary of Significant Accounting Policies - Schedule of Earned Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Earned premiums	$ 2,671,931	$ 1,800,933	$ 1,431,550
Premium
Disaggregation of Revenue [Line Items]
Earned premiums	2,666,813	1,668,131	1,372,334
Capitation
Disaggregation of Revenue [Line Items]
Earned premiums	$ 5,118	$ 132,802	$ 59,216