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Medical Liabilities (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Medical Liabilities [Roll Forward] |  |
Medical liabilities, beginning of period | $ 209,039 | $ 106,657
Acquired | 114,922 | 32,106
Components of medical care costs related to claims incurred: |  |
Current period | 1,368,556 | 793,501
Prior periods | (4,711) | (4,513)
Total medical care costs | 1,363,845 | 788,988
Payments for medical care costs related to claims incurred: |  |
Current period | (1,076,400) | (638,728)
Prior periods | (184,598) | (101,859)
Claims paid for acquired balance | (92,839) | (26,885)
Total paid | (1,353,837) | (767,472)
Medical liabilities, end of period | $ 333,969 | $ 160,279

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