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Medical Expenses Payable - Schedule of Components of Change in Medical Expenses Payable (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |  |
Claims incurred but not paid - beginning balance | $ 168,357 | $ 95,664 |
Incurred related to: |  |  |
Current year | 848,585 | 619,772 |
Prior years | (26,163) | (7,031) |
Total incurred, net of reinsurance | 822,422 | 612,741 |
Payments related to: |  |  |
Current year | 563,755 | 470,460 |
Prior years | 128,848 | 79,771 |
Total payments, net of reinsurance | 692,603 | 550,231 |
Claims incurred but not paid - ending balance | 298,176 | 158,174 |
Capitation payable, risk-sharing payable, and other | 230,620 | 138,951 |
Medical expenses payable | $ 528,796 | $ 297,125 | $ 289,788

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