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COMMITMENTS, GUARANTEES AND CONTINGENCIES (Details) - broker | 9 Months Ended |
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Sep. 30, 2025 | May 01, 2025
eHealth Litigation |  |
Loss Contingencies [Line Items] |  |
Number of call center brokers for which non-commission payments were made |  | 3
Medicare |  |
Loss Contingencies [Line Items] |  |
Total premiums and services revenue (as percent) | 83.00% |
Medicaid |  |
Loss Contingencies [Line Items] |  |
Total premiums and services revenue (as percent) | 10.00% |

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