Summary of Significant Accounting Policies - Schedule of Earned Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total	$ 1,326,625	$ 1,006,203	$ 2,553,191	$ 1,924,246
Premium
Disaggregation of Revenue [Line Items]
Total	1,326,344	1,004,580	2,552,652	1,921,202
Capitation
Disaggregation of Revenue [Line Items]
Total	$ 281	$ 1,623	$ 539	$ 3,044

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

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+ Details