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v3.25.3

Summary of Business and Significant Accounting Policies (Details) | Sep. 30, 2025 insurance_carrier
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Accounting Policies [Abstract] |
Number of health insurance carriers (more than) | 180

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- Definition Number Of Health Insurance Carriers + References No definition available. + Details
Name: | ehth_NumberOfHealthInsuranceCarriers
Namespace Prefix: | ehth_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration